Which of the Following Tests Must an Internal Auditor Perform

Multiple Choice

Which of the following tests must an internal auditor perform in order to ensure that inbound electronic data interchange (EDI) transactions are received and translated accurately?

A) Computerized tests to assess transaction reasonableness and validity. II. Review of log books to ensure that transactions are logged upon receipt. III. Edit checks to identify unusual transactions. IV. Verification of limitations on the authority of users to initiate specific EDI transactions.
B) I and IV only
C) II and III only
D) I, II, and III only
E) I, II, III, and IV.