Q2 {5 marks} To gain an insight into the inventory procurement and management function of ABC Ltd, you meet with their Commercial Manager. The Commercial Manager informs you of the following internal controls. Internal lEtaontrol The company places order for inventory items only to the selected suppliers with whom the company has negotiated prices based on competitive bidding. Inventory controllers at the warehouse are responsible to compare the goods received with the purchase order description. count them and inspect them for damages before accepting and receiving them into the IN'vr system'. The accounts payable ofcer checks the following before recording the purchase into the IN'v' system: 9 Details of the supplier invoice with the purchase order and goods received by the inventory controller in the IN'v' system. The unit prices in the supplier's invoice with the pre-negotiated terms and conditions The mathematical accuracy of the supplier's invoice. Any discrepancies are forwarded to the nance controller. *lN'v' is the inventory management system used by ABC Ltd. Required: Identify tests of controls {max 2] you would perform to test the operating effectiveness of each of the four listed internal controls