An internal audit charter, approved by the board, restricts the internal audit activity to providing assurance only on the reliability of financial information and the effectiveness of internal accounting controls. Which of the following statements is true regarding the extent to which the external auditor may rely on the internal audit activity's work?
An organization invests its savings in a volatile stock with the potential for high gains rather than a mutual fund with a lower expected return and lower volatility. This best describes which of the following risk concepts?
While performing an accounts payable engagement, a senior auditor wants to conduct several tests of controls for travel expenses. Which of the following actions are most appropriate for the senior auditor to undertake?
1. Ensure all tests use a random sampling technique.
2. Consider a judgmental approach for the sample size.
3. Assess testing errors through root cause analysis.
4. Ensure that the entire data set is tested.
Which of the following statements is true with regard to conducting an effective quality assurance and improvement program?