Accrual Accounting, Adjustments and Error Correction

Introduction

Financial accounting is intended to report the economic performance and financial position of an entity, not merely the movement of cash. A business may receive cash before it has earned revenue, incur expenses before paying them, or purchase an asset that will provide benefits over several years. If these events are recorded only when cash changes hands, financial statements may misstate profit, assets, liabilities and equity.

Accrual accounting addresses this problem by recognizing transactions in the accounting period to which their economic effects relate. It is supported by the accrual, matching and going-concern concepts. At the end of an accounting period, adjusting entries update ledger accounts so that revenues earned and expenses incurred are reported in the correct period. Closing entries then transfer temporary account balances to equity. When errors are discovered, correcting entries restore the integrity of the accounting records.

These procedures are especially important in banking, finance and insurance. Interest income, commissions, prepaid service contracts, employee benefits, depreciation of technology and expected credit losses all require careful period-end judgment.

Learning Objectives

After studying this chapter, you should be able to:

1. Explain accrual accounting, matching and going-concern assumptions.
2. Distinguish cash-basis from accrual-basis accounting.
3. Prepare adjusting entries for prepayments, accruals, depreciation and estimates.
4. Explain the effect of adjustments on the financial statements and accounting equation.
5. Prepare closing entries and a post-closing trial balance.
6. Identify accounting errors and prepare correcting entries.
7. Evaluate judgment, control and ethical issues in period-end reporting.

1. The Accrual Foundation

Cash basis and accrual basis

Under cash-basis accounting, revenue is generally recognized when cash is received and an expense when cash is paid. This method is simple but can produce misleading results when cash timing differs from the timing of performance or consumption.

Under accrual accounting, revenue is recognized when it is earned and measurable, while expenses are recognized when resources are consumed or obligations are incurred. Cash collection or payment may occur before, after or at the same time as recognition.

The basic accounting equation remains:

Accrual accounting does not alter this equation. It changes the timing and classification of recognized amounts so that the equation reflects economic events more faithfully.

Accrual concept

The accrual concept requires an entity to record the effects of transactions and other events when they occur, rather than only when cash is received or paid. For example, interest earned by a bank during December is December revenue even if the customer pays in January. Similarly, wages earned by employees in December are December expenses even if paid in January.

Matching and expense recognition

The matching idea requires expenses to be recognized in the period in which the related revenue is recognized, when a direct relationship can be established. Where no direct relationship exists, an expense is recognized when the benefit is consumed or when the obligation arises. Modern accounting standards generally express this through the recognition principles for assets, liabilities, income and expenses rather than treating matching as an independent rule.

Going concern

The going-concern assumption presumes that an entity will continue operating for the foreseeable future unless liquidation or cessation is intended or unavoidable. This assumption supports:

• depreciating long-term assets over their useful lives;
• classifying assets and liabilities as current or non-current;
• recognizing prepaid benefits that will be consumed in future periods; and
• measuring many items on the basis of continuing use rather than immediate liquidation.

If significant doubt exists about continuation, management must assess the circumstances and provide appropriate disclosure under the applicable reporting framework. Going concern does not mean that failure is impossible; it means that the financial statements are prepared on the basis that ordinary operations will continue.

2. Adjusting Entries and the Accounting Cycle

An adjusting entry is a journal entry made at the end of a reporting period to recognize revenue earned or expense incurred, or to update an asset or liability balance. Adjustments usually affect one income-statement account and one statement-of-financial-position account. They normally do not involve cash.

The extended accounting cycle is:

1. Identify and analyze transactions.
2. Record transactions in the journal.
3. Post entries to the ledger.
4. Prepare an unadjusted trial balance.
5. Analyze unrecorded or partially recorded period-end items.
6. Record and post adjusting entries.
7. Prepare the adjusted trial balance.
8. Prepare financial statements.
9. Record closing entries for temporary accounts.
10. Prepare the post-closing trial balance.

A trial balance proves only that total debits equal total credits. It does not prove that all transactions were recorded, that amounts are correct, or that transactions were posted to the appropriate accounts.

Adjusting entries versus correcting entries

An adjusting entry recognizes an economic event omitted or not fully updated at the reporting date. A correcting entry fixes an error in an entry already recorded. The distinction matters because an adjustment is part of the normal reporting process, whereas a correction responds to a mistake.

3. Prepayments and Deferred Revenue

Prepaid expenses

A prepaid expense is a payment made before the related benefit is consumed. Initially, it is recorded as an asset. As the benefit is used, the consumed portion becomes an expense.

The general calculation is:

The formula assumes that the benefit is consumed systematically and that the portion consumed can be measured reliably. If consumption is uniform over time:

For example, on 1 October a finance company pays $12,000 for 12 months of insurance and records:

Dr Prepaid insurance $12,000

Cr Cash $12,000

At 31 December, three months have expired:

Expense = $12,000 × 3 ÷ 12 = $3,000

The adjustment is:

Dr Insurance expense $3,000

Cr Prepaid insurance $3,000

The statement of financial position reports prepaid insurance of $9,000, representing nine months of future benefit.

An entity may instead initially debit the entire payment to expense. At period-end, the unused portion is reclassified as an asset. Both approaches can produce the same final statements if applied consistently and adjusted correctly.

Deferred or unearned revenue

Deferred revenue arises when cash is received before goods or services are provided. The initial credit is a liability because the entity owes performance to the customer. As performance occurs, revenue is recognized and the liability decreases.

Suppose a bank receives $24,000 on 1 November for a 12-month advisory service contract:

Dr Cash $24,000

Cr Unearned service revenue $24,000

By 31 December, two months of service have been provided:

Revenue earned = $24,000 × 2 ÷ 12 = $4,000

Adjustment:

Dr Unearned service revenue $4,000

Cr Service revenue $4,000

The remaining liability is $20,000. It represents the entity’s obligation to provide ten months of service.

4. Accrued Revenues and Accrued Expenses

Accrued revenue

Accrued revenue is revenue earned but not yet billed or collected. It is recognized when the entity has performed and has a right to consideration, subject to the applicable reporting framework.

Assume a lender earns $6,000 of interest in December that will be billed in January:

Dr Interest receivable $6,000

Cr Interest revenue $6,000

The adjustment increases assets and revenue. When cash is later received, the receivable is removed; January revenue is not recorded again for the amount already recognized.

Accrued expenses

An accrued expense is an expense incurred but not yet paid or recorded. It creates a liability.

If employees have earned $18,000 in wages by year-end but payment will occur in the next month:

Dr Wages expense $18,000

Cr Wages payable $18,000

The expense belongs to the period in which employees provided services. Omitting it overstates profit and understates liabilities.

Interest accrual

For a simple interest arrangement, interest may be estimated as:

where I is interest, P is principal, r is the annual interest rate expressed as a decimal, and t is time in years. The formula assumes a simple-interest basis, a constant principal and a rate applicable throughout the period. If compounding, effective interest, changing balances or day-count conventions apply, the entity must use the relevant contractual or reporting method.

For a $100,000 loan at 9% annual simple interest outstanding for three months:

I = $100,000 × 0.09 × 3/12 = $2,250

The lender records interest receivable and interest revenue; the borrower records interest expense and interest payable.

5. Depreciation and Long-Lived Assets

Depreciation allocates the depreciable amount of a tangible long-lived asset systematically over its useful life. It is not a valuation process and does not necessarily indicate a fall in market value.

Under straight-line depreciation:

Cost includes amounts necessary to acquire and prepare the asset for intended use. Residual value is the estimated amount recoverable at the end of useful life, less disposal costs where relevant. Useful life is the expected period of use or expected production capacity. Straight-line depreciation assumes approximately even consumption of benefits.

A computer system costs $60,000, has an estimated residual value of $6,000 and a useful life of four years:

Annual depreciation = ($60,000 − $6,000) ÷ 4 = $13,500

The entry is:

Dr Depreciation expense $13,500

Cr Accumulated depreciation—computer system $13,500

Accumulated depreciation is a contra-asset account. The asset remains recorded at cost, while its carrying amount is:

The formula applies where the asset is measured using a cost-based model and the relevant accounts are presented separately. Depreciation begins when the asset is available for use, not necessarily when it is first used. If the pattern of consumption is not even, another systematic method may be more appropriate. Useful lives, residual values and methods should be reviewed when circumstances indicate that estimates have changed.

6. Estimates, Allowances and Impairment

Some period-end amounts cannot be known exactly. Accounting therefore uses reasonable estimates based on available evidence. Examples include doubtful receivables, warranty obligations, employee bonuses, claims liabilities and expected credit losses.

An allowance is a contra-asset or liability-related account used to present an estimate without obscuring the underlying balance. For example, if receivables are $500,000 and expected uncollectible amounts are estimated at $20,000:

Dr Credit loss expense $20,000

Cr Allowance for expected credit losses $20,000

Net receivables are presented as $480,000, subject to the requirements of the applicable standards.

When an allowance already has a balance, the adjustment is generally based on the required closing balance rather than simply recording the new estimate. If the required allowance is $20,000 and the existing credit balance is $14,000, the additional expense is $6,000. If the existing credit balance is $25,000, a $5,000 reversal may be required, subject to applicable recognition rules.

Estimates must be based on evidence, consistently applied and documented. They must not be manipulated to create hidden reserves or smooth earnings. A change in estimate is normally distinguished from an error: an estimate changes because new information becomes available, whereas an error results from incorrect information, omission or misapplication of an applicable rule.

7. Financial Statement Effects of Adjustments

Adjustments influence both performance and financial position. Their effects can be summarized as follows:

A useful control is to ask two questions for every adjustment: Which period receives the income or expense, and which asset or liability remains after the adjustment?

8. Closing Entries

Adjusting entries update accounts; closing entries reset temporary accounts for the next accounting period. Temporary accounts include revenue, expense and drawings or dividends accounts. Permanent accounts—assets, liabilities and equity—are not closed.

A common four-step process is:

1. Debit each revenue account and credit Income Summary for total revenue.
2. Debit Income Summary and credit each expense account for total expenses.
3. Transfer the resulting income or loss from Income Summary to retained earnings or the relevant capital account.
4. Transfer drawings or dividends to the equity account.

For a sole proprietor, the final step may transfer net income to capital. In a company, retained earnings is generally used, subject to local law and reporting practice. Closing entries do not change total assets or liabilities; they organize equity and prepare temporary accounts for the next period.

The post-closing trial balance should contain only permanent accounts. It provides evidence that the ledger remains arithmetically balanced after closing, although it still does not guarantee the absence of every error.

9. Errors and Correcting Entries

Errors may occur during transaction analysis, journalizing, posting, calculation or reporting. Common categories include:

• omission: a transaction is not recorded;
• commission: the correct type of transaction is posted to the wrong account of the same class;
• principle: an item is recorded contrary to the applicable accounting principle;
• original-entry error: the correct accounts are used but the amount is wrong;
• reversal: debit and credit positions are interchanged;
• duplication: a transaction is recorded twice; and
• transposition: digits are reversed, such as recording $5,430 as $5,340.

Some errors do not affect trial-balance equality. For example, purchasing equipment for $10,000 and debiting repairs expense for $10,000 still produces equal debits and credits, but assets and profit are misstated. Other errors, such as posting only one side of an entry, cause the trial balance not to balance.

Correcting entries

A correcting entry should be designed by comparing the entry actually recorded with the entry that should have been recorded. It should correct the ledger with the smallest clear adjustment and should not erase the audit trail.

Example 1: Equipment costing $8,000 was incorrectly debited to office supplies expense. The correction is:

Dr Equipment $8,000

Cr Office supplies expense $8,000

Example 2: A cash receipt of $3,000 from a customer was credited to service revenue rather than accounts receivable. The correction is:

Dr Service revenue $3,000

Cr Accounts receivable $3,000

Example 3: A $2,400 payment to a supplier was recorded as $2,400 debit to accounts payable and $2,400 credit to cash, but the payment related to a different supplier account. If the wrong payable account was debited, the correction debits the correct supplier payable and credits the incorrectly debited payable, with no further cash entry.

If an error affects a prior reporting period, the treatment may require restatement or adjustment of opening equity under the applicable reporting standards. Materiality, authorization and disclosure must be considered.

10. Applied Case: Meridian Finance Ltd.

Background

Meridian Finance Ltd. closes its accounts on 31 December. Its unadjusted trial balance includes the following information:

• prepaid insurance: $18,000, paid on 1 October for 12 months;
• unearned advisory fees: $30,000, received on 1 December for a six-month contract;
• wages payable not yet recorded: $12,000;
• computer equipment: $72,000, residual value $12,000 and useful life five years; and
• receivables of $400,000, with a required expected-credit-loss allowance of $16,000. The existing allowance has a credit balance of $10,000.

Analysis and solution

Insurance consumed for three months is:

$18,000 × 3/12 = $4,500

Entry:

Dr Insurance expense $4,500

Cr Prepaid insurance $4,500

Advisory revenue earned for one month is:

$30,000 × 1/6 = $5,000

Entry:

Dr Unearned advisory fees $5,000

Cr Advisory revenue $5,000

Wages incurred are recorded as:

Dr Wages expense $12,000

Cr Wages payable $12,000

Annual depreciation is:

($72,000 − $12,000) ÷ 5 = $12,000

Entry:

Dr Depreciation expense $12,000

Cr Accumulated depreciation $12,000

The allowance must increase from $10,000 to $16,000. The required adjustment is $6,000:

Dr Credit loss expense $6,000

Cr Allowance for expected credit losses $6,000

Outcome

The adjustments decrease profit through insurance, wages, depreciation and credit-loss expenses, but increase profit through advisory revenue. They also ensure that the statement of financial position reports remaining prepaid insurance, unearned obligations, accrued wages, accumulated depreciation and the expected collectible amount of receivables.

Learning points

The case illustrates that period-end accounting is not a mechanical search for cash transactions. It requires identifying services consumed, obligations incurred, revenue earned and estimates supported by evidence. It also demonstrates why a schedule of supporting calculations should accompany every material adjustment.

11. Controls, Ethics and Technology

Period-end adjustments create opportunities for both honest error and deliberate manipulation. Strong governance requires segregation of duties, documented approval, supporting schedules, independent review and reconciliation of sub-ledgers to the general ledger. Access controls should prevent unauthorized journal entries, and unusual manual postings should be investigated.

Ethical risks include delaying expenses, accelerating revenue, understating provisions, creating unsupported estimates and using reversals to conceal mistakes. Professional accountants should apply integrity, objectivity, professional competence, confidentiality and professional behavior. Management pressure does not justify departure from applicable standards.

Accounting software can automate recurring depreciation, prepaid-expense amortization, accrual reversals and consolidation routines. However, automation does not remove the need for judgment. AI-assisted systems may identify unusual entries or predict accruals, but outputs require human validation, traceable data, access controls and review for bias or model error. A system-generated journal entry remains the responsibility of the organization that approves and reports it.

Best practice is to maintain an adjustment register showing the description, calculation, preparer, reviewer, date, accounts affected, reversal status and supporting evidence. Reversing entries may be used at the start of the next period for selected accruals, but they must be monitored to prevent duplicate recognition.

Chapter Summary

Accrual accounting recognizes economic effects in the periods to which they relate rather than waiting for cash movements. The accrual concept, matching logic and going-concern assumption provide the conceptual foundation for this approach. Adjusting entries recognize prepayments consumed, deferred revenue earned, accrued revenue, accrued expenses, depreciation and estimates. They normally affect one income-statement account and one statement-of-financial-position account and usually do not involve cash.

Depreciation allocates depreciable cost systematically; allowances present estimates such as expected credit losses; and closing entries reset temporary accounts while preserving permanent accounts. A trial balance tests arithmetic equality but cannot detect every omission, classification error or error of principle. Correcting entries must distinguish the erroneous entry from the entry that should have been recorded, preserve the audit trail and consider materiality and reporting requirements. Effective practice combines accurate calculations with documentation, internal control, ethical judgment and appropriate use of technology.

Key Terms

Accrual accounting: Accounting that recognizes transactions when economic events occur rather than only when cash changes hands.

Accrued expense: An expense incurred but not yet paid or recorded.

Accrued revenue: Revenue earned but not yet billed or collected.

Accumulated depreciation: The contra-asset total of depreciation recognized to date.

Allowance: An account used to present an estimated reduction or obligation.

Carrying amount: The reported amount of an asset after relevant accumulated reductions.

Closing entry: An entry that transfers temporary-account balances to equity.

Correcting entry: An entry that fixes an accounting error.

Deferred revenue: Cash received before the related revenue is earned.

Depreciation: Systematic allocation of a depreciable asset amount over its useful life.

Going concern: The assumption that an entity will continue operating for the foreseeable future.

Matching: Recognition of expenses in the period of related benefit or consumption when appropriate.

Materiality: The significance of information or error to users’ decisions.

Prepaid expense: A payment recorded as an asset before the related benefit is consumed.

Reversing entry: An optional subsequent-period entry that reverses a prior accrual.

Residual value: Estimated amount recoverable when an asset’s useful life ends.

Temporary account: A revenue, expense or distribution account closed at period-end.

Trial balance: A listing of ledger balances used to test equality of debits and credits.

Useful life: Expected period or capacity over which an asset provides benefits.

Review Questions

Short Answer Questions

1. What is the principal difference between cash-basis and accrual-basis accounting?
2. Why is a prepaid expense initially recorded as an asset?
3. What is the purpose of an adjusting entry?
4. Why does depreciation not normally involve a cash payment at the time of adjustment?
5. What is the limitation of using a trial balance as the sole error-detection procedure?

Long Answer Questions

1. Explain how the accrual, matching and going-concern concepts support reliable financial reporting.
2. Describe the accounting treatment of accrued revenue, accrued expense, prepaid expense and deferred revenue, including their effects on financial statements.
3. Explain straight-line depreciation, define its variables and discuss circumstances in which another method may be appropriate.
4. Discuss the distinction between an accounting estimate and an accounting error, giving examples of each.
5. Explain the purpose and sequence of closing entries and the nature of a post-closing trial balance.

Analytical / Application Questions

1. A company pays $36,000 on 1 September for 12 months of insurance but records the entire amount as expense. Calculate the expense and prepaid asset at 31 December and prepare the correcting adjustment.
2. A bank has loans of $2,000,000 outstanding at 8% annual simple interest for three months. Calculate accrued interest and prepare the lender’s adjusting entry. State the assumptions used.
3. An accountant debits equipment expense instead of equipment for a $25,000 asset purchase. Explain the effects on profit and assets and prepare the correcting entry.

Multiple Choice Questions with Answers

Question 1

Which transaction best illustrates accrued revenue?

A. Cash received before services are provided

B. Insurance paid for future coverage

C. Interest earned but not yet collected

D. Wages paid immediately after employees work

Correct Answer: C. Interest earned but not yet collected

Question 2

A company pays $12,000 for 12 months of insurance. After three months, what insurance expense should be recognized under straight-line consumption?

A. $1,000

B. $3,000

C. $9,000

D. $12,000

Correct Answer: B. $3,000

Question 3

Unearned revenue is initially reported as:

A. An asset

B. An expense

C. A liability

D. Equity income

Correct Answer: C. A liability

Question 4

Which entry records wages incurred but unpaid at year-end?

A. Debit Cash; credit Wages expense

B. Debit Wages expense; credit Wages payable

C. Debit Wages payable; credit Cash

D. Debit Wages payable; credit Wages expense

Correct Answer: B. Debit Wages expense; credit Wages payable

Question 5

An asset costs $50,000, has a residual value of $5,000 and a useful life of five years. Annual straight-line depreciation is:

A. $5,000

B. $9,000

C. $10,000

D. $11,000

Correct Answer: B. $9,000

Question 6

Which account is normally closed at the end of the accounting period?

A. Accounts receivable

B. Equipment

C. Revenue

D. Accounts payable

Correct Answer: C. Revenue

Question 7

A debit to repairs expense should have been a debit to equipment. The correcting entry includes:

A. Debit equipment and credit repairs expense

B. Debit repairs expense and credit equipment

C. Debit cash and credit equipment

D. Debit equipment and credit cash

Correct Answer: A. Debit equipment and credit repairs expense

Question 8

A trial balance that balances proves that:

A. No transaction has been omitted

B. All accounts are correctly classified

C. Total recorded debits equal total recorded credits

D. All estimates are reasonable

Correct Answer: C. Total recorded debits equal total recorded credits

Question 9

A lender has principal of $100,000 at 9% annual simple interest for three months. Accrued interest is:

A. $750

B. $2,250

C. $9,000

D. $27,000

Correct Answer: B. $2,250

Question 10

The going-concern assumption most directly supports:

A. Recording all expenses only when paid

B. Depreciating assets over their expected useful lives

C. Closing asset accounts every year

D. Ignoring liabilities due after year-end

Correct Answer: B. Depreciating assets over their expected useful lives