The test of controls for purchases, cash disbursements, and accounts payable include the following audit procedures.
1. Vouch a sample of receiving reports to related purchase orders.
2. Select a sample of open accounts payable and vouch to supporting documents of purchase.
3. Trace debits arising from accounts payable transactions for proper account.
4. Trace a sample of voucher debits to general and subsidiary ledger accounts.
5. Select a sample of receiving reports and trace to inventory record posting of additions.
Required
For each of the procedures above, indicate the related transaction assertion.