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21 April, 08:59

Scott Duffney, CPA, has randomly selected and audited a sample of 100 of Will-Mart's accounts receivable. Will-Mart has 3,000 accounts receivable accounts with a total book value of $3,000,000. Duffney has determined that the account's tolerable misstatement is $250,000.

His sample results are as follows:

Average audited value $990

Average book value 998

Calculate the accounts receivable estimated audited value and projected misstatement using the:

(a) Mean-per-unit method.

(b) Ratio method.

(c) Difference method.

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  1. 21 April, 10:56
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    The answer is:

    (a) Mean-per-unit method:

    Estimated audited value: $990 * 3,000 = $2,970,000

    Projected misstatement: $3,000,000 - $2,970,000 = $30,000

    (b) Ratio method:

    Sample net misstatement: 100 * ($990 - $998) = - $800

    Projected misstatement: $800 / ($998 * 100) * $3,000,000 = $24,048

    Estimated audited value: $3,000,000 - $24,048 = $2,975,952

    (c) Difference method:

    Projected misstatement: $800 / 100 * 3,000 = $24,000

    Estimated audited value: $3,000,000 - $24,000 = $2,976,000

    Explanation:

    (a) Mean-per-unit method: The mean-per-unit method estimates the total value of the population by using the sample audited mean as an estimate of the true population mean, and extending this estimated population mean by the number of items in the population.

    (b) Ratio method:

    The projected misstatement using the ratio method is calculated as:

    Absolute value of Sample net misstatement / Book value of sample * Population book value

    Estimated audited value: Book value - Projected misstatement

    (c) Difference method:

    The projected misstatement using difference estimation would be calculated as:

    Absolute value of Sample net misstatement / Sample items * Population items

    Estimated audited value: Book value - Projected misstatement
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