Which of the following audit procedures would be most effective in determining whether vendor invoices are being processed on a timely basis while maximizing the company's use of cash?
What evidence is appropriate to determine that recorded purchase transactions were valid and at the best price?
Due to the small number of staffs, one remote unit's petty cash custodian also had responsibility for the imprest fund checking account reconciliation. The cashier concealed a diversion of funds by altering the beginning balance on the monthly reconciliations sent to the group office.
A possible audit test to detect this would be to