Which of the following is the BEST control to help ensure the completeness of outbound...

Comprehensive and Detailed Step-by-Step Explanation:

To ensurecompleteness of outbound transactions, alog with periodic validationis thebest control.

Option A (Incorrect):Edit checkshelp withdata accuracy, not completeness.

Option B (Incorrect):Sequential numberingdetects missing transactions but does not verifyactual transmission.

Option C (Incorrect):Recipient ID validationis important foraccuracy, not for ensuring all transactions are sent.

Option D (Correct):Maintaining and validating transaction logsensures thatall outbound transactions are properly accounted for, making it the best completeness control.