An accounts payable clerk who has access to the vendor master file replaced the payment details of a legitimate vendor with those of a friend before processing the payment through the organization's cashier.
Immediately afterward, he restored the original vendor information. Which of the following controls could have prevented this fraud?

When auditing the award of a major contract, which of the following should an internal auditor suspect as a red flag for a bidding fraud scheme?
1. Subsequent change orders increase requirements for low-bid items.
2. Material contract requirements are different on the actual contract than on the request for bids.
3. A high percentage of employees are charged to indirect accounts.
4. Losing bidders are hired as subcontractors.

Which of the following corporate travel policies is least likely to be cost-effective?

An internal auditor is using a spreadsheet application to review a cash flow forecast prepared by management.
Which of the following correctly identifies the type of evidence this information represents?

An internal audit charter describes the mission and scope of the internal audit activity (IAA), responsibilities of the IAA, accountability of the chief audit executive, independence of the IAA, and standards followed by the IAA. Which of the following also should be included in the charter?