Performing a monthly analysis of potential duplicate invoices paid to suppliers is an example of which type of fraud control?

In order to ensure that the internal auditors have the objectivity required by the Standards, the chief audit executive should:

Which of the following factors would cause an internal auditor to judge an account balance error to be material?

Which of the following would be an appropriate outcome of a quality assurance and improvement program in an internal audit activity?
1. Modification of resources.
2. Corrections to procedures.
3. Changes in processes.
4. Implementation of new technology.

Which of the following risk factors is most subjective?