providing for doubtful accounts at the end of the current year, the accounts receivable account has a debit balance of $1,132,000 and sales for the year total $12,840,000. the allowance account before adjustment has a debit balance of $15,300. bad debt expense is estimated at 3/4 of 1% of sales. the allowance account before adjustment has a debit balance of $15,300. an aging of the accounts in the customer ledger indicates estimated doubtful accounts of $49,000. the allowance account before adjustment has a credit balance of $6,700. bad debt expense is estimated at 1/4 of 1% of sales. the allowance account before adjustment has a credit balance of $6,700. an aging of the accounts in the customer ledger indicates estimated doubtful accounts of $55,600. determine the amount of the adjusting entry to provide for doubtful accounts under each of the assumptions (a through d) listed above. assumption amount a. $fill in the blank 1 111,600 b. $fill in the blank 2 64,300 c. $fill in the blank 3 25,400 d. $fill in the blank 4 48,900 feedback area