An appliance repair company is considering relocating the center that houses its service vehicles. An internal auditor wants to determine the potential reduction in average miles driven by the service vehicles if the center is relocated. Which of the following statistical sampling methods would be most appropriate for this test?

Which of the following would be the most effective method to prevent installation of new equipment that does not meet environmental permit requirements, or to prevent modification of current processes in such a way that they no longer meet permit requirements?

A retail sales company has discontinued a product that normally sold for $100. During the first month of a sale of the product, a 20 percent discount was given. Later that sale price was reduced by an additional 40 percent.
What was the overall discount from the original selling price?

The following audit observation was included in the final audit report:
"Our review concluded that bank reconciliation statements for March and April did not show evidence of supervisory review. We recommend strict compliance with the controller's manual, which requires the department head to place their initials on the reconciliation statements to document their review." Which of the following attributes are missing from the above audit observation?
1. Criteria.
2. Condition.
3. Cause.
4. Effect.

If the chief audit executive believes that senior management has accepted a level of residual risk that is unacceptable to the organization, they should: