ACCT90014 · Auditing And Assurance Services
Transaction Cycles
The financial report is built from a handful of transaction cycles, and each cycle has a natural direction of error. The reflex ACCT90014 drills is to name the dominant bias first — it tells you the assertion at risk, the control that should be there, and the substantive procedure that catches the error. Revenue and receivables tend to be overstated (bonuses, covenants, market expectations), so the dominant assertions are occurrence and cut-off, with a collectability (valuation) risk on receivables. Purchases and payables are the mirror image — the incentive is to understate liabilities and expenses to flatter profit, so the dominant assertion is completeness (the unrecorded liability), and payroll adds the ghost-employee (occurrence) and rate/hours (accuracy) risks. Inventory carries existence (overstated quantities) and valuation (cost vs net realisable value, obsolescence) risk — met by attending the stocktake — while cash looks simple but is where fabricated balances hide, met by the bank confirmation and reperforming the reconciliation. The exam pattern is always the same chain: bias → assertion → control → procedure.
What this chapter covers
- 01The cycles overview: each cycle has a dominant direction of error
- 02Revenue & receivables — the overstatement cycle (occurrence, cut-off, collectability)
- 03Purchases & payables — the understatement cycle (completeness)
- 04Payroll — the ghost employee (occurrence) and rate/hours (accuracy)
- 05Inventory — existence & valuation, met by the stocktake
- 06Cash — fabricated balances, the bank confirmation and the reconciliation
- 07Cycle recap: bias → assertion → control → procedure
Worked example: name the bias, then design the test
- +2(a) Cycle & bias: revenue and receivables — the overstatement cycle. Recognising a sale before the goods are dispatched is a cut-off (and occurrence) error that overstates revenue and receivables.
- +2(b) Procedure: perform sales cut-off testing — select sales recorded just before year-end and vouch them to dispatch documentation; the 3 July dispatch shows the goods left after year-end.
- +1(b) Conclude: the sale belongs to the next period, so revenue and receivables are overstated and should be reversed at 30 June.
- +1State the chain: bias (overstatement) → assertion (cut-off/occurrence) → control (matching dispatch to invoice dates) → procedure (cut-off vouching to dispatch records).
Key terms
- Transaction cycle
- A group of related business processes and accounts (e.g. revenue/receivables, purchases/payables, payroll, inventory, cash). Each cycle has a dominant direction of error that drives the assertions, controls and procedures the auditor focuses on.
- Overstatement cycle
- Revenue and receivables, where management's incentives run toward inflating the numbers. The dominant assertions are occurrence and cut-off (and collectability for receivables), tested mainly by vouching and confirmation.
- Understatement cycle
- Purchases and payables, where the incentive is to omit or delay liabilities and expenses. The dominant assertion is completeness — the unrecorded liability — tested by searching for unrecorded liabilities and tracing source documents to records.
- Cut-off
- The assertion that transactions are recorded in the correct accounting period. A staple year-end risk: sales or purchases recorded just before or after the balance date are tested by vouching to dispatch/receipt documentation around year-end.
- Stocktake attendance
- The signature inventory procedure: the auditor attends the physical count to test existence (the goods are really there) and condition, and observes the client's count controls. Valuation (cost vs net realisable value, obsolescence) is tested separately.
Transaction Cycles FAQ
Why does naming the bias come first?
Because the dominant direction of error cascades to everything else. Once you know revenue tends to be overstated and payables understated, the assertion at risk (occurrence/cut-off vs completeness), the control that should exist, and the substantive procedure that catches the error all follow. Naming the bias first is the fastest route to a correct, fact-anchored answer.
What is the dominant assertion for payables, and why?
Completeness. Management has an incentive to understate liabilities and expenses to flatter profit and net assets, so the key risk is the unrecorded liability rather than a fictitious one. The auditor responds with a search for unrecorded liabilities — e.g. examining post-year-end payments and unmatched receiving reports — tracing source documents forward to the records.
How is inventory audited?
Inventory carries two risks: existence (quantities overstated) and valuation (cost vs net realisable value, obsolescence). Existence is tested chiefly by attending the year-end stocktake to observe and test the count; valuation is tested by examining costing records and assessing net realisable value. Failure to attend the stocktake is a classic breach in liability fact-patterns.
Why is cash a focus when the balance looks small?
Because cash is liquid, easy to misappropriate, and where fabricated balances hide. The signature procedures are the bank confirmation (direct, independent evidence of the balance) and reperforming the bank reconciliation to test that the recorded balance reconciles to the bank's, catching teeming-and-lading and fictitious balances.
Exam move
Drill one reflex above all: read the cycle, name the dominant bias, and let the rest follow — assertion, then control, then procedure. Build a one-line bias for each cycle (revenue/receivables = overstatement → occurrence/cut-off; purchases/payables = understatement → completeness; payroll = ghost employee/accuracy; inventory = existence/valuation → stocktake; cash = fabricated balances → confirmation + reconciliation). Practise the year-end cut-off and confirmation scenarios, because the open final rewards linking the standard to messy facts, not reciting definitions. Compress the whole topic into a single bias → assertion → control → procedure table you can recall under time.
