Which of the Following Use of Computer-Assisted Audit Techniques (CAATs)would

Which of the following use of computer-assisted audit techniques (CAATs) would most likely be considered a search for fraudulent activities?

A) Selecting customers' accounts receivable for confirmation
B) Recalculating inventory extensions
C) Scanning accounts receivable balances for amounts over the credit limit
D) Comparing a list of vendor addresses to employee address files