Prowiding for Doubtful Accounts At the end of the current year, the accounts rocelyable account has a debit balance of $636,000 and sales for the year total $7,220,000. a. The allowance account before adjustment has a credit balance of $8,600. Bad debt expense is estimated at 3/4 of 1% of sales. b. The allowance account before adjustment has a credit balance of 58,600 . An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $27,500. c. The aliowance aceount before adjustment has a debit balance of $7,300. Bad debt expense is estimated at 1/4 of 1% of sales. d. The allowance account before adjustment has a debit balance of $7,300. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of 560,600. Determine the amount of the adjusting entry to provide for doubtful accounts under each of the assumptions (a through d) listed above. a. 5 b. 4 c. $ d. 5