4. Accounts payable accrual-Abdul & EI-Emir assigned a senior with experience in the retail area to audit accounta payable. Although Nefren had poor internal controls, Abdul & EI-Emir selected a sample of 50 for confirmation of the several thousand vendors who did business with Nefret. Twenty-seven responses were received, and 21 were reconciled to Nefret’s records. These tests indica ted an unrecorded liability of approximately $290,000 when projected to the population of accounts payable . However , the investigation disclosed that Nefret’s president mand telephone calls to some suppliers who had received confirmation requests from Abdul & EI-Emir and told them how to respond to the request.
Abdul & EI-Emir also performed a purchase cutoff teat by vouching accounts payable invoices received for nine weeks after year-end. The purpose of this test was to identify invoices received after year-end that should have been recorded in accounts payable. Thirty percent of the sample ($150,000) was found to relate to the prior year , indicating a potential unrecorded liability of approximately $500,000 ,the audit firm and Nefret eventually agreed on adjustment to increase accounts payable by $260,000.