rock My Wir a. Remember that since accounts receivable are created by credit sales, uncollectible accounts can be estimated as a percent of credit saies. If the portion of credit sales to sales is relatively constant, the percent may be applied to total sales. b. Under the percent of sales method, the amount of the adjustment is the amount estimated for Bad Debt Expense. c. Remember that net realizable value is the amount that is expected to be collected or realized