You are a graduate auditor of the 3P Limited (3P) audit engagement. PART A You have documented the following internal controls in place in 3P.

Key Assertion

(1) Payroll expense: Human resources department to notify payroll department of any promotions and their effective date

(2) Accounts payable: Supplier invoices are matched against quantities on receiving reports and contract prices prior to being paid

(3) Travel expenses: Travel expenses incurred by each employee are reviewed by the relevant department manager on a monthly basis and compared to employee's calendars and travel plans