James Duffney, CPA, has randomly selected and audited a sample of 100 of Will-Marts accounts receivable. Will-Mart has 6,140 accounts receivable accounts with a total book value of $6,000,000. Duffney has determined that the accounts tolerable misstatement is $500,000. His sample results are as follows:

Average audited value $962

Average book value 970

Required:

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

a. Mean-per-unit method.

b. Ratio method.

c. Difference method.