Providing for Doubtful Accounts At the end of the current year, the accounts teceivable account has a debit balance of $1,147,000 and sales for the year totai $13,000,000. a. The allowance account before adjustment has a credit balance of $15,500. Bad debt expense is estimated at 1/4 of 1% of saies. b. The allowance account before adjustment has a credit balance of $15,500. An aging of the accounts in the custormer ledger indicates estimated doubtful accounts of $49,600. c. The allowance account before adjustment has a debit balance of $9,500. Bad debt expense is estimated at 1/2 of 1% of sales. d. The allowance account before adjustment has a debit balance of $9,500, An aging of the accounts in the customer fedger indicates estimated doubtful accounts of $78,900. Determine the amount of the adjusting entry to provide for doubthuil accounts under each of the assumptions (a through d) isted above. a. b. 1 c. $ d. 1