Providing for Doubtful Accounts At the end of the current year, the accounts receivable account has a debit balance of $1,103,000 and sales for the year total $12,500,000 a. The allowance account before adjustment has a credit balance of $14,900. Bad debt expense is estimated at 3/4 of 1% of sales. b. The allowance account before adjustment has a credit balance of $14,900. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $47,700. The allowance account before adjustment has a debit balance of $8.800. Bad debt expense is estimated at 1/4 of 19 of sales. d. The allowance account before adjustment has a debit balance of $8,800. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $73,000. Determine the amount of the adjusting entry to provide for doubtful accounts under each of the assumptions (a through d) listed above. b. $