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Prowiding for Doubtful Acrounts At the end of the current year, the accounts receivable account has a debit balance of $740,000 and sales for the year total $6,390,000 a. The atlowance account before adjustment has a credit balance of $10,000. Bad debt expense is estimated at 1/2 of 1% of saies. b. The allowance account before adjustment has a credit balance of $10,000, An aging of the accounts in the customer ledger indicates estimated doubduf accounts of 532,000 c. The allowance account before adjustment has a debit balance of $8,600. Bad debt expense is estimated at 3/4 of 1$ of sales. d. The alowance account before adjustment has a debit bolance of $9,600, An aging of the accounts in the ciatomer iedger indicates estimated doubeful actounts of $71,400, 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. 1 c. 5 d. 1