In which of the following scenarios would a customer service hotline receive a high volume of complaints regarding payments not being applied to customers' accounts?

According to IIA guidance, which of the following are macro-level audit activities performed for an assurance engagement of the purchasing department?
1. Obtain and review all purchasing-related audit reports issued within the past year.
2. Meet with the quality assurance group to discuss its previous reports of any purchasing-related findings.
3. Review a memo written by the purchasing manager that outlines ongoing problems with the purchasing software.
4. Request a copy of the report from a purchasing audit conducted last year by an external service provider.

An internal auditor would like to identify the involvement of various organizational units in handling employee travel reimbursement claims. Which of the following methods would be most effective and efficient in completing this task?

Which of the following items should the chief audit executive disclose to senior management regarding the results of the internal audit activity's quality assessments?

During an audit engagement, the internal auditor discussed a risk mitigation recommendation with the manager of the area under review. The manager disagreed with the risk assessment and recommendation. The two failed to come up with an alternative solution, and the auditor decided to proceed with including the original recommendation in the engagement report. Which of the following is especially important in dealing with this type of situation?