Contemporary Practice and Integrated Product DecisionsIntroductionProduct management has moved from a function primarily concerned with requirements and release coordination to a strategic discipline concerned with value creation under uncertainty. Contemporary product managers integrate customer understanding, business strategy, technology, design, operations, data, risk, and organizational change. They must decide not only what to build, but also whether to build, for whom, through which ecosystem, with what evidence, and under what governance conditions. This chapter synthesizes the product process as an integrated decision system. It examines generative artificial intelligence (AI), automation, composable products, ecosystem strategy, continuous discovery, and emerging product roles. The central argument is that contemporary product excellence is not defined by adopting fashionable tools. It is defined by making coherent decisions across the product life cycle while preserving customer value, commercial viability, technical feasibility, ethical legitimacy, and organizational learning. Learning ObjectivesBy the end of this chapter, the reader should be able to: - Integrate opportunity discovery, strategy, prioritization, delivery, launch, and lifecycle management into one product decision process.
- Evaluate generative AI and automation according to value, risk, evidence, and governance rather than novelty.
- Explain how composable architecture and ecosystems alter product strategy and operating models.
- Apply continuous-discovery principles to a realistic product decision.
- Develop and critique a concise product proposal using strategic, customer, operational, and financial criteria.
- Identify emerging product-management roles and capabilities.
1. Product Management as an Integrated Decision SystemA product is a coordinated promise to create value for a defined group of users and stakeholders. It includes the core offering, user experience, service operations, distribution, pricing, data practices, and the capabilities that sustain it. Consequently, product decisions are interdependent. A change in target segment may alter the value proposition, regulatory obligations, acquisition channel, support model, and unit economics. A decision to use a generative-AI feature may affect data governance, evaluation methods, cloud cost, interface design, customer trust, and liability. Product management therefore involves systems thinking rather than a sequence of isolated deliverables. A useful integrated model has six connected loops: - Sense: observe users, markets, technologies, competitors, and operational signals.
- Frame: define the problem, affected actors, desired outcomes, constraints, and assumptions.
- Choose: select a strategic opportunity and allocate scarce resources.
- Shape: design the value proposition, service, architecture, and business model.
- Learn: test desirability, feasibility, viability, usability, and responsible use.
- Scale or stop: launch, improve, expand, reposition, or discontinue using evidence.
These loops are not strictly linear. Discovery continues during delivery; delivery reveals new operational evidence; post-launch usage may invalidate the original problem framing. An effective product operating model makes these feedback loops explicit. The decision-quality lensA decision is stronger when it is: - Evidence-informed: supported by customer, market, technical, and financial evidence.
- Explicit: assumptions, alternatives, trade-offs, and decision rights are visible.
- Reversible where possible: uncertain decisions are tested cheaply before commitment.
- Proportionate: high-impact or irreversible decisions receive more analysis and governance.
- Outcome-oriented: success is measured by changed customer or business outcomes, not activity alone.
- Responsible: effects on privacy, safety, inclusion, workers, society, and the environment are considered.
A roadmap is therefore not merely a list of features. It is a set of strategic bets, each with a rationale, expected outcome, evidence threshold, owner, time horizon, and review condition. 2. From Product Process to Product Operating ModelTraditional product processes often appear as stages: research, requirements, design, development, launch, and maintenance. Contemporary practice retains these activities but treats them as overlapping capabilities rather than handoffs. | Product concern | Central question | Typical evidence |
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| Opportunity | Which important problem is worth solving? | Interviews, behavioral data, market research | | Strategy | Why should this organization pursue it? | Strategic fit, differentiation, economics | | Solution | What intervention could change behavior or outcomes? | Prototypes, experiments, usability tests | | Delivery | Can it be built and operated reliably? | Architecture review, delivery metrics, service tests | | Launch | Can the market understand, adopt, and trust it? | Positioning tests, readiness review, pilot data | | Lifecycle | Should it be improved, expanded, or retired? | Retention, contribution, support, quality, risk |
The product manager coordinates these questions but does not own all answers alone. Product decisions are collaborative decisions with clear accountability. Engineering owns technical integrity, design owns experience quality, marketing owns market communication, legal and compliance advise on obligations, finance tests economic assumptions, and operations validates service readiness. Product leadership integrates these perspectives around a coherent outcome. Outcomes, outputs, and impactAn output is what a team produces, such as a feature or release. An outcome is a change in user behavior or condition, such as reduced completion time. Impact is the broader value created, such as improved access or increased sustainable revenue. Outputs are controllable in the short term; outcomes and impact are only partially controllable. A sound product metric hierarchy may include: - Input metrics: people, budget, engineering capacity, research time.
- Output metrics: releases, experiments, response time, defect fixes.
- Behavior metrics: activation, usage frequency, completion, retention.
- Value metrics: task success, customer satisfaction, cost avoided, revenue, margin.
- Guardrail metrics: complaints, incidents, bias indicators, churn, carbon cost, support burden.
The hierarchy prevents a team from interpreting high feature throughput as product success when customers are not receiving meaningful value. 3. Continuous Discovery and Evidence-Based DecisionsContinuous discovery is the disciplined practice of conducting small, frequent research and experiments throughout product development. It differs from a one-time research phase because learning is treated as an ongoing operating capability. A discovery system normally combines four evidence types: - Generative evidence: interviews, observation, diary studies, and contextual inquiry reveal needs and workarounds.
- Evaluative evidence: prototype tests and usability sessions assess whether an experience can be understood and used.
- Behavioral evidence: analytics, logs, funnel data, and support contacts show what users actually do.
- Market and operational evidence: sales conversations, competitor analysis, cost data, reliability data, and regulatory signals establish commercial and operational context.
No single evidence type is sufficient. What people say may differ from what they do; behavioral data may show a problem without explaining it; a prototype may prove usability without proving willingness to pay. Assumptions and experiment designA product hypothesis should identify a proposed change, target population, expected behavior, and desired outcome. For example: “For independent retailers who reconcile payments weekly, a guided reconciliation workflow will reduce unresolved items and increase weekly completion.” The hypothesis should be decomposed into assumptions: - Desirability: the problem is important and the proposed solution is wanted.
- Usability: users can understand and complete the task.
- Feasibility: the organization can build, integrate, secure, and operate the solution.
- Viability: benefits exceed relevant costs and support the strategy.
- Responsibility: foreseeable harms are controlled and affected parties are treated fairly.
Experiments should be selected according to the riskiest assumption. A clickable prototype may test comprehension; a concierge service may test value before automation; a pricing interview may explore willingness to pay; a limited pilot may test operational reliability. The aim is not to “prove” a product in advance, but to reduce uncertainty sufficiently for the next commitment. Interpreting metricsMetrics require denominators, time windows, segment definitions, and data-quality checks. A conversion rate is meaningful only when the numerator and denominator are clearly specified. A rise in average usage could reflect genuine value, a change in traffic mix, or forced interaction. Product teams should examine cohorts, counterfactuals where feasible, and qualitative explanations. For a simple retention calculation: Retention rate = (Number of users active at the end of the period ÷ Number of users in the starting cohort) × 100% The starting cohort must be defined consistently, and “active” must represent meaningful use rather than a superficial event. This formula describes observed cohort retention; it does not by itself establish causality. 4. Generative AI and Automation in Product ManagementGenerative AI produces content, code, summaries, classifications, or other outputs from learned patterns. In product work it can assist with research synthesis, drafting, prototyping, customer-support workflows, requirements analysis, test generation, and personalization. Automation more broadly uses rules, workflows, machine learning, or software agents to perform tasks with limited human intervention. High-value usesAppropriate uses of generative AI often have four characteristics: the task is repetitive, the output is reviewable, errors are detectable, and the consequences of error are limited. Examples include: - clustering interview notes as a starting point for human analysis;
- generating alternative interface copy;
- converting structured requirements into draft test cases;
- summarizing support tickets while preserving links to source records;
- creating synthetic or masked data for exploratory testing;
- assisting internal knowledge retrieval with citations;
- producing first-pass code or documentation subject to review.
The tool should accelerate learning or execution without becoming an unexamined authority. Evaluation and governanceAI-enabled product decisions require evaluation at several levels: - Task quality: Is the output accurate, useful, complete, and understandable?
- Robustness: Does performance remain acceptable across languages, user groups, inputs, and edge cases?
- Safety: Can the system produce harmful, discriminatory, private, or misleading outputs?
- Reliability: What happens when the model is unavailable, uncertain, manipulated, or wrong?
- Economics: Do inference, monitoring, human-review, and support costs fit the business model?
- Accountability: Who can inspect, challenge, correct, and ultimately own the decision?
A product team should define an AI-specific risk register, data lineage, access controls, evaluation dataset, escalation path, audit record, and user disclosure policy. Human oversight must be meaningful, not merely a nominal approval step. In high-impact settings—such as employment, credit, health, education, or essential services—legal and sector-specific requirements may demand stronger controls, documentation, transparency, and human review. Generative output is probabilistic. It may be fluent but inaccurate, reproduce bias, expose confidential information, or create intellectual-property concerns. Product managers should therefore distinguish assistance from delegation. A model may draft a response; it should not automatically make a consequential eligibility decision unless the organization has established appropriate validation, controls, and accountability. Automation paradoxesAutomation can reduce cost and error in routine work, yet it can also remove human opportunities to notice anomalies. It may shift labor rather than eliminate it, creating new work in monitoring, exception handling, policy management, and appeals. Product managers must ask what happens to users and employees when the automated path fails, and whether a graceful manual fallback exists. 5. Composable Products and Ecosystem StrategyA composable product is assembled from modular capabilities that can be configured, replaced, and recombined through stable interfaces. Examples include identity, payments, search, messaging, analytics, content, and workflow components. Composability can increase speed and flexibility, but it introduces dependency, integration, security, performance, and governance challenges. Strategic implications of composabilityA product leader must decide which capabilities are differentiating and which can be sourced. Building a capability may create control and differentiation but require substantial investment. Buying or partnering may accelerate time to market but create dependency and reduce control over pricing, data, reliability, or roadmap direction. The relevant question is not simply “build or buy?” It is “where should the organization own capability, and where should it orchestrate capability?” A component deserves deeper ownership when it is central to differentiation, customer trust, regulatory control, or long-term economics. A commodity capability may be sourced if switching costs, resilience, and data obligations are acceptable. A composable architecture should be evaluated for: - interface stability and versioning;
- data ownership, portability, and quality;
- security boundaries and identity management;
- service-level commitments and failure behavior;
- observability and incident response;
- total cost, including integration and exit costs;
- supplier concentration and substitutability.
Ecosystems and platform thinkingAn ecosystem includes customers, complementors, suppliers, distributors, regulators, and sometimes competitors whose interactions create joint value. Ecosystem strategy asks how participation increases value for each critical actor and how the product can reduce coordination costs. A platform may benefit from network effects, but network effects are not automatic. They require a valuable interaction, adequate participant density, trust, rules, discovery mechanisms, and often incentives for early participation. Growth without governance may produce fraud, low quality, exclusion, or congestion. Product managers should map: - actors and their jobs;
- exchanges of value, information, money, and risk;
- points of control and dependency;
- incentives and potential conflicts;
- standards, APIs, and onboarding mechanisms;
- governance rules, dispute resolution, and removal criteria.
Ecosystem success should be measured beyond user growth. Relevant indicators include complementor activation, match quality, repeat transactions, platform take rate, reliability, dispute rates, concentration, and value captured by each participant group. 6. Integrated Prioritization and Portfolio DecisionsPrioritization is not a universal scoring exercise. It is a resource-allocation decision under uncertainty. A useful portfolio includes different horizons: immediate improvements, growth opportunities, strategic capabilities, and exploratory bets. If every initiative is judged by near-term certainty, the organization may optimize the present while losing future relevance. A scoring model can structure discussion, but it should not disguise judgment. For example, a team may score opportunities from 1 to 5 on strategic fit, customer value, evidence strength, feasibility, and risk. Scores should be defined before evaluation, and the team should test sensitivity: would a small change in one assumption reverse the decision? Financial reasoning is also necessary. A simple expected-value model is: Expected value = ∑ pᵢVᵢ − C where pᵢ is the estimated probability of outcome scenario i, Vᵢ is the value of that scenario, and C is the relevant cost of pursuing the initiative. The scenarios should be mutually exclusive and sufficiently comprehensive for the decision. Costs must use the same time basis and currency as values. This is a decision aid, not a prediction; estimates should be accompanied by ranges and sensitivity analysis. Suppose a pilot costs $40,000. There is a 0.6 probability of producing $100,000 in attributable contribution and a 0.4 probability of producing $20,000. Expected value is: (0.6 × $100,000) + (0.4 × $20,000) − $40,000 = $28,000 The positive expected value does not guarantee success. It indicates that, given the assumptions, the pilot may be worth pursuing; the team should still examine downside exposure, measurement quality, strategic effects, and whether a cheaper experiment can improve the estimates. 7. Emerging Roles and CapabilitiesContemporary organizations increasingly distribute product work across specialized roles. Titles vary, but important emerging capabilities include: - AI product management: model evaluation, data governance, human oversight, and AI economics.
- Platform product management: internal and external capabilities, APIs, developer experience, and reliability.
- Growth product management: acquisition, activation, retention, referral, and experimentation.
- Product operations: tooling, planning cadence, insight repositories, portfolio reporting, and standards.
- Product analytics and data product management: trustworthy data assets, instrumentation, governance, and decision enablement.
- Responsible product management: privacy, accessibility, safety, fairness, sustainability, and stakeholder impact.
- Service and ecosystem product management: cross-organizational journeys, partnerships, marketplace rules, and operational design.
The emerging product professional requires more than feature specification. Core capabilities include problem framing, research literacy, systems thinking, commercial reasoning, technical fluency, experimentation, communication, negotiation, ethical judgment, and the ability to lead without formal authority. AI increases the value of judgment because drafts and analyses become cheaper while selecting meaningful questions and evaluating consequences remains difficult. 8. Applied Case: MetroLink Mobility HubThe following is an illustrative case. BackgroundMetroLink is a regional mobility company operating buses, demand-responsive vans, and a mobile ticketing application. It wants to improve journeys for commuters who use multiple transport providers. Customer research indicates that riders struggle to compare options, transfer between services, and obtain support when a disruption affects a trip. The executive team proposes an AI-powered “mobility assistant” that recommends routes, answers questions, and automatically rearranges disrupted journeys. One executive argues that rapid launch is essential because a large technology firm has announced a competing service. Problem framingThe initial feature request is too broad. The product team reframes the problem: “When a disruption affects a planned multi-provider journey, riders need a trustworthy way to understand alternatives and their financial consequences.” This framing identifies a high-stakes moment and avoids assuming that a conversational interface is the solution. The team maps actors: riders, transport operators, customer-support staff, payment providers, accessibility advocates, and municipal regulators. It identifies constraints: real-time data quality varies, ticket rules differ, operators may not share APIs, and incorrect advice can strand passengers or cause financial loss. Evidence planThe team conducts observations at transfer stations, interviews riders with accessibility needs, analyzes disruption-related support contacts, and reviews historical service data. It creates a prototype that presents ranked alternatives with source data, confidence indicators, and a clear “contact an agent” path. It does not initially permit autonomous ticket changes. The riskiest assumptions are that riders will trust the recommendations, that data can be synchronized sufficiently, and that operators will accept the proposed exchange rules. A controlled pilot is launched on two routes during weekday disruptions. Human support staff review low-confidence cases. Product proposalTarget users: regular commuters making multi-provider journeys, with special attention to users who require accessible routes. Value proposition: provide transparent, timely alternatives during disruptions, showing travel time, fare implications, accessibility information, and the source and age of each data point. Minimum viable service: disruption detection, alternative-route comparison, eligibility explanation, saved journey preferences, and assisted rebooking where contractual rules permit. Differentiation: trustworthy cross-provider coordination and transparent explanations rather than a generic chatbot. Business and strategic value: reduced support volume, higher retention, stronger operator partnerships, and evidence for a broader mobility ecosystem. Guardrails: no unsupported claims, no silent ticket changes, accessibility testing, privacy minimization, audit logs, confidence thresholds, human escalation, and clear responsibility when data is stale. Outcome and decisionThe pilot shows fewer repeated support contacts and improved completion of alternative journeys, but it also reveals that route accuracy drops when one operator delays data updates. Rather than scaling the assistant nationally, MetroLink prioritizes data-sharing agreements, monitoring, and clearer uncertainty communication. It retains generative AI for drafting explanations from verified structured data but does not allow the model to invent routes or policies. Learning points- A compelling technology should not determine the problem definition.
- Ecosystem products require agreements and governance, not only interfaces.
- Responsible design includes fallback paths and explicit uncertainty.
- A pilot can reveal that infrastructure and operating-model work are prerequisites for feature scale.
- The best product decision may be to delay expansion while strengthening the system that makes value possible.
9. Developing a Product ProposalA professional product proposal should be short enough to support decision-making and complete enough to expose risk. A practical structure is: - Decision requested: what approval, funding, or discovery capacity is needed?
- Problem and affected users: which important situation is being addressed?
- Evidence: what is known, uncertain, and still assumed?
- Strategic fit: why does this matter to the organization now?
- Value proposition and scope: what is the smallest credible intervention?
- Alternatives: what options, including doing nothing, were considered?
- Feasibility and operating model: what capabilities, partners, and controls are required?
- Economics: what costs, benefits, pricing, or resource effects are expected?
- Measures: what outcome, value, and guardrail metrics will be monitored?
- Risks and governance: what could go wrong, and who can intervene?
- Experiment and decision gates: what evidence is required before the next commitment?
The proposal should distinguish facts, estimates, and assumptions. It should identify reversible decisions and avoid false precision. For example, a projected market size is not evidence of demand for a particular solution; a prototype preference is not proof of retention; and an AI model benchmark is not proof of safe production behavior. 10. Challenges, Limitations, and GovernanceIntegrated product management faces persistent tensions: - speed versus diligence;
- personalization versus privacy;
- automation versus human agency;
- platform growth versus participant fairness;
- local optimization versus system-wide outcomes;
- short-term revenue versus long-term trust;
- standardization versus contextual fit.
Governance should be designed into the product process. Useful mechanisms include decision logs, privacy and security reviews, accessibility testing, model cards or system documentation, incident reporting, supplier reviews, data-retention rules, and post-launch audits. Governance is most effective when it is risk-based and integrated into normal work rather than treated as a final approval gate. Product teams should also consider sustainability. Digital products consume energy through devices, networks, storage, and computation. Product decisions can reduce unnecessary processing, extend hardware life, minimize waste, and make environmental impacts visible. Sustainability is not only a communications issue; it can affect cost, resilience, procurement, and regulatory exposure. Contemporary Best Practices- Start with a consequential customer problem rather than a fashionable technology.
- Make assumptions and decision rights visible.
- Use the cheapest credible experiment for the riskiest uncertainty.
- Combine qualitative, behavioral, technical, commercial, and operational evidence.
- Define success with outcome and guardrail metrics.
- Treat AI outputs as probabilistic and require appropriate evaluation and oversight.
- Own differentiating capabilities and govern dependencies deliberately.
- Design for accessibility, privacy, safety, resilience, and recovery from failure.
- Use pilots and staged commitments to protect optionality.
- Review products after launch; learning is part of delivery, not a postscript.
Chapter SummaryContemporary product management is an integrated system of sensing, framing, choosing, shaping, learning, and scaling. Product decisions connect customer value with strategy, technology, operations, economics, and governance. Continuous discovery reduces uncertainty through frequent research and experimentation, while outcome and guardrail metrics prevent teams from confusing activity with value. Generative AI and automation can improve productivity and service quality when tasks are reviewable, risks are controlled, and accountability remains clear. Composable products and ecosystems expand strategic possibilities but require disciplined management of interfaces, dependencies, incentives, data, and governance. Emerging roles such as AI, platform, product-operations, data, responsible, and ecosystem product management reflect the widening scope of the profession. The MetroLink case demonstrates that an integrated product proposal must connect problem framing, evidence, architecture, partnerships, economics, experimentation, and responsible use. The mature product manager does not simply accelerate delivery; they improve the quality of organizational bets and ensure that products create durable, legitimate value. Key TermsComposable product: A product assembled from modular capabilities that can be configured and recombined. Continuous discovery: Ongoing research and experimentation conducted throughout the product life cycle. Decision log: A record of decisions, assumptions, alternatives, evidence, owners, and review conditions. Ecosystem: Interdependent actors whose interactions jointly create and capture value. Expected value: Probability-weighted value across possible outcomes, less relevant cost. Guardrail metric: A measure that detects unacceptable harm, degradation, or unintended effects. Generative AI: AI that produces content, code, analysis, or other outputs from learned patterns. Human oversight: Meaningful human ability to review, challenge, correct, or stop an automated system. Minimum viable service: The smallest end-to-end service capable of testing a meaningful value proposition. Network effect: A change in value resulting from changes in the number or behavior of other participants. Outcome: A change in user behavior, condition, or experience resulting from a product intervention. Platform: A product or service that enables interactions or exchanges among multiple participant groups. Product operating model: The structures, practices, roles, decision rights, and feedback loops through which product work is performed. Product proposal: A structured argument for pursuing a product opportunity, including evidence, scope, economics, risks, and measures. Responsible product management: Product practice that incorporates privacy, safety, fairness, accessibility, sustainability, and accountability. Strategic bet: A resource commitment made to pursue a meaningful opportunity under uncertainty. Value proposition: A clear statement of the value an offering promises to a defined target group. Viability: The degree to which a product can create sustainable economic and organizational value. Review QuestionsShort Answer Questions- Why should a product roadmap be treated as a set of strategic bets rather than a feature list?
- Distinguish outputs, outcomes, and impact.
- What is continuous discovery, and how does it differ from one-time research?
- Identify two risks associated with generative-AI product features.
- What factors should influence a build, buy, or partner decision?
Long Answer Questions- Explain the six-loop integrated product decision model and show how the loops interact.
- Discuss how product managers can evaluate generative AI while preserving accountability and user trust.
- Analyze the strategic benefits and risks of composable products and ecosystem participation.
- Explain why outcome metrics should be combined with guardrail metrics, using examples.
- Describe the contents of a rigorous product proposal and the role of assumptions within it.
Analytical / Application Questions- A company wants to automate customer-support responses for a regulated financial product. Design an evidence and governance plan covering desirability, accuracy, privacy, escalation, and monitoring.
- Using the MetroLink case, identify the three riskiest assumptions and propose one experiment for each.
- An initiative costs $60,000 and has a 0.5 probability of generating $150,000 in contribution, a 0.3 probability of generating $40,000, and a 0.2 probability of generating no contribution. Calculate its expected value and explain whether expected value alone is sufficient for approval.
Multiple Choice Questions with AnswersQuestion 1Which statement best describes continuous discovery? A. Research conducted only before development begins B. Ongoing research and experimentation throughout the product life cycle C. A quarterly financial review of product performance D. Automated collection of competitor prices Correct Answer: B. Ongoing research and experimentation throughout the product life cycle Question 2Which is an example of a guardrail metric? A. Number of features released B. Number of design workshops C. Rate of harmful or unsafe outputs D. Number of roadmap items Correct Answer: C. Rate of harmful or unsafe outputs Question 3Why should generative-AI output generally be treated as probabilistic? A. It is always produced by a human reviewer B. It can be fluent while inaccurate or misleading C. It cannot process any structured data D. It is guaranteed to reproduce verified facts Correct Answer: B. It can be fluent while inaccurate or misleading Question 4A composable product is primarily characterized by what property? A. A single indivisible technical component B. Modular capabilities that can be recombined C. A product with no external dependencies D. A product that cannot use APIs Correct Answer: B. Modular capabilities that can be recombined Question 5In the expected-value formula, what does pᵢ represent? A. The cost of scenario i B. The probability of scenario i C. The product price D. The number of users in scenario i Correct Answer: B. The probability of scenario i Question 6The MetroLink team initially avoids autonomous ticket changes mainly because A. The interface has no visual design B. Ticket rules and data quality create material operational and financial risk C. Customers never use mobile applications D. Generative AI cannot summarize text Correct Answer: B. Ticket rules and data quality create material operational and financial risk Question 7Which evidence type is most directly concerned with what users actually do? A. Behavioral evidence B. Generative evidence C. Strategic evidence D. Legal evidence Correct Answer: A. Behavioral evidence Question 8What is a central purpose of ecosystem governance? A. To eliminate all participant diversity B. To manage incentives, quality, disputes, and trust C. To prevent any third-party integration D. To maximize feature count regardless of risk Correct Answer: B. To manage incentives, quality, disputes, and trust Question 9Which capability is especially important in AI product management? A. Avoiding all human review B. Model evaluation and data governance C. Removing audit records D. Treating benchmarks as proof of production safety Correct Answer: B. Model evaluation and data governance Question 10An initiative costs $40,000, with a 0.6 probability of $100,000 contribution and a 0.4 probability of $20,000 contribution. What is its expected value? A. $20,000 B. $28,000 C. $60,000 D. $72,000 Correct Answer: B. $28,000
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