Final answer:
The appropriate content of internal audit assurance engagement working papers includes objectives, procedures, facts, conclusions, and recommendations.
Step-by-step explanation:
The appropriate content of internal audit assurance engagement working papers includes:
- Objectives: The specific goals or aims of the audit.
- Procedures: The methods or steps used to conduct the audit.
- Facts: The information obtained during the audit.
- Conclusions: The findings or results of the audit.
- Recommendations: Suggestions for improvement or actions to be taken based on the audit findings.
These working papers provide a record of the audit process and serve as evidence of the auditor's work and conclusions.