Providing for Doubtful Accounts At the end of the current year, the accounts receivable account has a balance of $1,073,000 and sales for the year total $12,170,000. Determine the amount of the adjusting entry to provide for doubtful accounts under each of the following independent assumptions: a. The allowance account before adjustment has a negative balance of $(14,500). Bad debt expense is estimated at 1/2 of 1% of sales. b. The allowance account before adjustment has a negative balance of $(14,500). An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $46,400. c. The allowance account before adjustment has a positive balance of $7,200. Bad debt expense is estimated at 1/4 of 1% of sales. d. The allowance account before adjustment has a positive balance of $7,200. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $59,800