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Accounting Information Systems 4

Decent Essays

Which control(s) would best mitigate the following threats?

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 …show more content…

That account number did not exist. The mistake was not caught until later in the week when the weekly billing process was run. Consequently, the customer was not billed for another week, delaying receipt of payment.
-Conduct a limit and range check to verify the accuracy of each customer’s account numbers.
-Conduct a validity check comparing the customer’s account number in transaction data with similar data in the master file to verify that the account exists. The error should be caught this way.

J. A visitor to the company’s Web site entered 400 characters into the five-digit Zip code field, causing the server to crash.
-Conduct a size check to ensure that the input data fits into the assigned field. 400 characters couldn’t be entered into a field that allows for only 5 characters.
-Conduct a reasonableness test to determine the correctness of the logical relationship between a Zip-code and the character entered.

K. Two traveling sales representatives accessed the parts database at the same time. Salesperson A noted that there were still 55 units of part 723 available and entered an order for 45 of them. While salesperson A was keying in the order, salesperson B, in another state, also noted the availability of 55 units for part 723 and entered an order for 33 of them. Both sales reps promised their customer next-day delivery. Salesperson A’s customer, however, learned the next day that the part would have to be back-ordered. The customer

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