How to analyze expenses in internal audit

How does internal audit analyze expenses? Refers to the employee's travel expenses reimbursement;

1. Simple, simple and complicated, such as getting a detailed list and then getting the company's reimbursement system. Check. Analyze the causes of unreasonable reimbursement items or bills. You can get the results.

2. For example, if you want to check the travel expenses, first check the map of * * to see if the hotel you are staying in is close to the company. If you still generate a lot of rental fees, you should analyze what you are doing and what needs to happen with such a large fee.