A. The time worked field in a payroll transaction record contained the value 400 instead of 40. As a result, the employee received a paycheck for $6,257.24 instead of $654.32.
-Conduct a check between fields, separating the salaried and hours and minutes fields.
-Conduct a limit check to ensure that the minutes do not exceed the predetermined value of 60 and hours don’t exceed a predetermined value. Regular hours-worked field in weekly payroll must be less than 40 hours, if this is exceed the company has to pay overtime. The system should have some kind of sign to alert the user that 40 hours have been exceeded.
B. The accounts receivable file was destroyed because it was accidentally used to update accounts payable.
-All files should have header labels to identify their contents. Conduct a validity check, comparing file labels and content.
-All programs should check these labels before processing transactions against the file. Conduct a file label control to ensure that the correct and most current files are being updated.
-Conduct a write-protection mechanism to protect the files against the accidental erasing of data files stores on magnetic media.
C. During processing of customer payments, the digit 0 in a payment of $204 was mistakenly typed as the letter “O”. As a result, the transaction was not processed correctly and the customer erroneously received a letter that the account was delinquent.
-A field check should be performed to check whether all characters entered in this field are numeric and there are no alphabetic characteristics.
-Conduct a cross-footing and zero-balanced test to verify the accuracy of the method used. There should be a prompt correction and re-processing of erroneous transactions.
D. A salesperson mistakenly entered an online order for 50 laser printers instead of 50 laser printer toner cartridges.
-Conduct a range check; quantity ordered has to... [continues]
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