Under the allowance method of accounting for uncollectible accounts, Bad Debt Expense is debited a. when a credit sale is past due. b. whenever an account is deemed worthless. c. whenever a predetermined amount of credit sales has been made. d. at the end of each accounting period.

The correct option here is D)

Explanation:

There are two ways in which a company can report for its bad debt expense, which occurs because of selling goods and services on credit, one of them is allowance method and other is direct write off method.

In Allowance method, a company would pass an adjustment entry for the amount of losses it excepts from credit sales at the end of accounting period.

Here the bad debt expense would be debited and account receivables would be credited.