Ashton Fleming has decided to document and analyze the accounts payable process at ses so the transition to a computerized system will be easier. He also hopes to improve any weaknesses he discovers in the system. In the following narrative, Ashton explains what happens at S&S: Before s&s pays a vendor invoice, the invoice must be matched against the pur chase order used to request the goods and the receiving report that the receiving department prepares. Because all three of these documents enter the accounts pay able department at different times, a separate alphabetical file is kept for each type