»... .-.-—um

10c

25. The MISER credit card company punches the following card for each charge
purchase made with one of its credit cards:

Card Columns Description
1-12 Charge card number
13-18 Merchant account number
19-24 Amount of charge (XXXXaXX)

These cards are used to maintain a charge card file containing a record

of the amount owed by each person with a charge card and an Accounts Payable
file containing a record of the amount that MISER owes each merchant.

These files are on magnetic tape.

20 pts) Prepare a system flow chart for a subsystem that updates both of these
files and produces a charge card status report and an Accounts Payable
status report. ;