Providing for doubtful accounts At the end of the current year, the accounts receivable account has a debit balance of $1,058,000 and sales for the year total $12,000,000. a. The allowance account before adjustment has a debit balance of $14,300. Bad debt expense is estimated at 1/2 of 1% of sales. b. The allowance account before adjustment has a debit balance of $14,300. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $45,800. c. The allowance account before adjustment has a credit balance of $5,900. Bad debt expense is estimated at 1/4 of 1% of sales. d. The allowance account before adjustment has a credit balance of $5,900. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $49,000. 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. $