Which of the following is the greatest drawback of using subsequent collections evidence only by a deposit slip as an alternative procedure when responses to positive accounts receivable confirmations are not received?
A. Checking of subsequent collections can never be used as an alternative auditing procedure
B. By examining a deposit slip only, the auditor does not know whether the payment is for the receivable at the balance sheet date or a subsequent transaction
C. A deposit slip is not received directly the auditor
D. A customer may not have made a payment on a timely basis