The following summarizes the aging of accounts receivable for Johnston Supplies, Inc. as of July 31, 2016:

The following summarizes the aging of accounts receivable for Johnston Supplies, Inc. as of July 31, 2016: Required: a. The unadjusted balance of the Allowance for Doubtful Accounts of Johnston Supplies, Inc. is a credit balance in the amount of $28, 947 on July 31, 2016. Prepare the required adjusting entry to record Bad Debt Expense for the year. (If no entry is required for a transaction/event, select "No Journal Entry Required" in the first account field.)