Plastiki Ltd. is a company that manufactures various plastic household goods. Kelly Mwenza is an audit supervisor at Kari,
Mwari and Associates, the external auditors of Plastiki Ltd. Kelly Mwenza prepared the audit program for the year-end audit
of Plastiki Ltd. Kelly held a meeting with her audit manager and was notified of the following issues identified during the
audit risk assessment process:
- Land and buildings: Plastiki Ltd. operate on a policy of revaluing land and buildings once every five years. During
the year ended 30 June 2024, Plastiki Ltd. requested an independent valuer to value a number of properties including
a warehouse purchased in January 2024. Depreciation is charged on a pro-rata basis per annum.
- Work-in-progress (WIP): Plastiki Ltd. undertakes continuous production, 24 hours a day, seven days a week. A
physical inventory count was undertaken on 30 June 2024. Kelly Mwenza and her team were responsible for the
audit of work-in-progress and were part of the team attending the physical inventory count.
Required:
(a) Advise Kari, Mwari and Associates on FIVE factors that they could consider when placing reliance on the work of
the independent valuer.
(b) Describe the substantive procedures Kelly Mwenza performed to obtain sufficient and appropriate audit
evidence in relation to:
(i) The revaluation of land and buildings and recently purchased warehouse.
(ii) The valuation of work-in-progress (WIP).
(c) (i) Explain the term “detection risk”.
(ii) Analyse the relationship between detection risk and the other two elements of audit risk; inherent risk and
control risk.
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