Hard2 marksMultiple Choice
Audit and AssuranceSection ASyllabus Area DAudit EvidenceWork in Progress

ACCA · Question 11 · Audit and Assurance

CASE 3: AEROFORGE HEAVY INDUSTRIES

AeroForge Heavy Industries manufactures industrial turbines. The manufacturing process takes 8 months per turbine. At year-end, there is significant Work-in-Progress (WIP). AeroForge provides a 5-year warranty on all turbines. During the year, a major customer sued AeroForge for $2m due to a turbine failure; AeroForge's lawyers believe a payout is 'possible' but not 'probable'. AeroForge revalued its manufacturing plant this year, resulting in a $5m revaluation surplus.

QUESTION:
Which of the following audit procedures would provide the most appropriate evidence to confirm the percentage of completion of the Work-in-Progress (WIP) at year-end?

Answer options:

A.

Review the sales contracts to determine the final selling price of the turbines.

B.

Vouch the cost of raw materials issued to the production line to material requisition notes.

C.

Discuss the stage of completion with the production manager and observe the physical condition of the turbines on the factory floor.

D.

Recalculate the depreciation charge for the factory machinery used to build the turbines.

How to approach this question

Consider the nature of the asset: a massive industrial turbine taking 8 months to build. How can an auditor, who is not an engineer, verify how finished it is? They must talk to the experts (production manager) and look at it.

Full Answer

C.Discuss the stage of completion with the production manager and observe the physical condition of the turbines on the factory floor.✓ Correct
Assessing the stage of completion of complex Work-in-Progress requires technical knowledge. The auditor should combine physical observation of the WIP with inquiries of the production manager or engineers to corroborate the percentage of completion recorded in the costing system.

Common mistakes

Selecting B. While vouching costs is a valid procedure for WIP valuation, it doesn't confirm the *percentage of completion* which is necessary to allocate overheads correctly.

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