The following purchase order (Figure 6.1) was sent by Giddy Up Pty Ltd to Stable Supplies Ltd. The second copy of the purchase order (Figure 6.2) from Giddy Up was sent to the receiving department and was stamped and signed when the goods were received. Required a) Identify and explain four control features that are followed in the purchase order sent to the vendor (Figure 6.1). b) Identify and explain four control features that are followed in the Copy of purchase order routed to the receiving department (Figure 6.2). c) Discuss four advantages of those control features followed in the purchase order sent to the vendor (Figure 6.1). d) Discuss four advantages of those control features followed in the copy of purchase order routed to the receiving department (Figure 6.2). e) What controls could have been present when the purchase requisition details (not shown) were entered into the computer and the purchase order generated? Discuss two controls that should have been followed when purchase requisition entered into the computer. Figure 6.1 Purchase order sent to vendor Page 10 of 11 Figure 6.2 Copy of purchase order routed to the receiving department