roviding for Doubtful Accounts At the end of the current year, the accounts receivable account has a debit balance of $703,000 and sales for the year total $7,970,000. The allowance account before adjustment has a credit balance of $9,500. Bad debt expense is estimated at 3/4 of 1% of sales. The allowance account before adjustment has a credit balance of $9,500. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $30,400. The allowance account before adjustment has a debit balance of $7,200. Bad debt expense is estimated at 1/2 of 1% of sales. The allowance account before adjustment has a debit balance of $7,200. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $59,800. Determine the amount of the adjusting entry to provide for doubtful accounts under each of the assumptions (a through d) listed above. a. $ b. $ c. $ d. $