andprepares a two$-$part purchase requisition. Copy $1$ ofthe requisition is sent to the purchasing department,and Copy $2$ is filed.Upon receipt of the requisition, the purchasing clerkselects a supplier from the valid vendor file $($referencefile$)$ and prepares a three$-$part purchase order. Copy $1$is sent to the supplier, Copy $2$ is sent to the accountspayable department where it is filed temporarily, andCopy $3$ is filed in the purchases department.A few days after the supplier ships the order, thegoods arrive at the receiving department. They areinspected, and the receiving clerk prepares a three$-$partreceiving report describing the number and quality ofthe items received. Copy $1$ of the receiving reportaccompanies the goods to the stores, where they aresecured. Copy $2$ is sent to inventory control, where theclerk posts it to the inventory records and files the doc$-$ument. Copy $3$ is sent to the accounts payable depart$-$ment, where it is filed with the purchase order.A dayortwo later,theaccountspayableclerkreceivesthe