Page 277 - Accounting Information Systems
P. 277

248     PART II       Transaction Cycles and Business Processes

                 h. voucher register                             8. INTERNAL CONTROL
                  i. open vouchers payable file                 Using the flowchart for Problem 8 of a purchases sys-
                  j. receiving report file                      tem, identify six major control weaknesses in the sys-
                 k. closed voucher file                         tem. Discuss and classify each weakness in accordance
                                                                with SAS 78/COSO.
                  l. check register (cash disbursements journal)
                                                                 9. PURCHASE DISCOUNTS LOST
                 6. SOURCE DOCUMENTS                            Estimate the amount of money accounts payable and
                 IDENTIFICATION                                 cash disbursements departments could save if a basic
                                                                batch-processing system were implemented. Assume
                 Explain, in detail, the process by which the information
                                                                that the clerical workers cost the firm $12 per hour, that
                 is obtained and the source of information for each of the
                                                                13,000 vouchers are prepared, and that 5,000 checks are
                 fields in the expenditure cycle files. (See Figure 5-15
                                                                written per year. Assume that total cash disbursements
                 for a complete listing of files and fields.)
                                                                to vendors amount to $5 million per year. Because of
                                                                sloppy bookkeeping, the current system takes advantage
                 7. DATA PROCESSING                             of only about 25 percent of the discounts vendors offer
                                                                for timely payments. The average discount is 2 percent
                 Explain how the processing procedures would differ, if
                                                                if payment is made within 10 days. Payments are cur-
                 at all, for the transactions listed in Problem 6 if a com-
                                                                rently made on the 15th day after the invoice is
                 puter-based system with
                                                                received. Make your own assumptions (and state them)
                 a. a basic batch-processing system were implemented.  regarding how long specific tasks will take. Also dis-
                 b. a batch-processing system with real-time data input  cuss any intangible benefits of the system. (Don’t worry
                    were used.                                  about excessive paper documentation costs.)



                                                 PROBLEM 8: INTERNAL CONTROL

                 Vendor  Purchases  Inventory Control  Receiving  Accounts Payable  Cash Disbursments  General Ledger
                         Purchasing              Goods Arrive
                        Prepares Three  3        from Vendor
                                 Purchase
                        Copies of PO            with Packing Slip
                                  Order
                                                                               Cash
                                                 Packing    Invoice         Disbursement
                                                   Slip                       Voucher
                                         Inventory
                                          Ledger
                  Purchase
                   Order
                               3                                   AP Ledger               Check
                              2                                                            Copy
                             1   Purchase 3
                        Purchase
                         Order    Order
                                                      2                          2
                                                 Receiving 1       Cash         1                  General
                                                 Report          Disbursement   Check              Ledger
                                                                   Voucher
                                                                             A
                                                                                  Cash
                                                           Invoice              Disbursement
                                                                                  Voucher
                  Invoice
                                                                                   Check         Check
                                                                                   Copy          Copy
                   Check


                    A
   272   273   274   275   276   277   278   279   280   281   282