Which of the following best describes the most important criteria when assigning responsibility for specific tasks required in an audit engagement?

A staff auditor, nearly finished with an audit engagement, discovers that the director of marketing has a gambling habit. The gambling issue is not directly related to the existing engagement and there is pressure to complete the current engagement. The auditor notes the problem and forwards the information to the chief audit executive but performs no further follow-up. The auditor's actions would:
I. Be in violation of the IIA Code of Ethics for withholding meaningful information.
II. Be in violation of the Standards because the auditor did not properly follow up on a red flag that might indicate the existence of fraud.
III. Not be in violation of either the IIA Code of Ethics or Standards.

A limitation of using ratio analysis in an audit engagement is that it:

Which of the following controls in a computerized consumer loan system of a major bank would be the least effective in detecting a fraudulent loan?

Which of the following actions has the least influence on the chief audit executive's development of an audit plan?