An internal control questionnaire would be most appropriate in which of the following situations?

An organization has acquired a new line of business. None of the organization's internal auditors have the required expertise to perform an internal audit of the new business line; therefore, the chief audit executive (CAE) has contracted the services of an external audit firm to perform the engagement. The CAE has assigned a member of the internal audit team to assist the external team with the engagement. According to the Standards, which of the following statements is true regarding supervision of the engagement?

A bank is developing an integrated customer information system. The type of audit involvement that would most likely help avoid implementation of a system that does not cover all types of accounts would be:

Which of the following would be the best audit procedure to use to determine if a division's unusually high sales and gross margin for November and December were the result of fraudulently recorded sales?

An internal auditor wants to compare performance information from one quarter to another. Which analytics procedure would the auditor use?