If sales invoices are automatically calculated and posted by a company’s computer system, can the auditor reduce substantive tests of transactions for the accuracy objective?

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If sales invoices are automatically calculated and posted by a company’s computer system, can the auditor reduce substantive tests of transactions for the accuracy objective?


Answer:

If the auditor determines that the computer is programmed accurately and the price list master file is authorized and correct, detailed invoice computations can be reduced or eliminated. The auditor would then focus on determining that effective computer controls exist to ensure that the computer system is properly programmed and has not been altered since it was last tested by the auditor.

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