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(10 points). A systems analyst has developed the following description for a new purchasing system being developed. Please turn this paragraph into a set of
(10 points). A systems analyst has developed the following description for a new purchasing system being developed. Please turn this paragraph into a set of user level use cases by adding blank lines between the use cases and adding a title for each use case. Be sure that each use case is at the elementary business process (EBP) level. You do not need to change the order of any sentences or otherwise modify the text someone"). A purchaser needs to purchase one or more items from a vendor. The purchaser enters purchase data into system, including list of items to be purchased, prices, department code, University item classification codes, and vendor information. The system saves the purchase order and assigns it a unique purchase order number (PO \#). The department approver reviews the new purchase order and, if it is an approved purchase and in the budget, marks the purchase order as approved and sends the order to the vendor. When goods arrive from vendor, the purchaser verifies that correct goods and quantities were delivered and updates the electronic purchase order to indicate goods were received. When an invoice is received by the Accounts Payable Office, someone enters the purchase order number included on the invoice. The system displays the corresponding purchase order. The user verifies that the purchase order and invoice match and enters additional data from the invoice into the purchase order including the invoice number and the date payment is due. The A/P manager calls up a list of invoices awaiting payment. For each invoice, the manager verifies that funds are available in the designated account and that the payment is consistent with University policies. The manager authorizes the payment for the new invoices, defining a schedule, based on terms and cash flow considerations. Once each day checks are printed and mailed for all invoices scheduled for payment on that date
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