Which of the following conditions is the strongest indicator of possible fraud?

An auditor decides to perform an inventory turnover analysis for both raw materials inventory and finished goods inventory. The analysis would be potentially useful in:
I. Identifying products for which management has not been attuned to changes in market demand.
II. Identifying potential problems in purchasing activities.
III. Identifying obsolete inventory.

When interviewing an individual in relation to a fraud investigation, which course of action
should the internal auditor follow?

The most effective way for internal auditors to enhance the reliability of computerized financial and operating information is by:

Which of the following trends found on financial reports would most likely indicate a possible problem?