Providing for doubtful accounts At the end of the current year, the accounts recelvable account has a debit balance of $644,000 and sales for the year $7,300,000. a. The allowance account before adjustment has a debit balance of $8,700. Bad debt expense is estimated at 3/4 of 1% b. The allowance account before adjustment has a debit balance of $8,700. An aging of the accounts in the customer le indicates estimated doubtful accounts of $27,800. c. The allowance account before adjustment has a credit balance of $6,000. Bad debt expense is estimated at 1/4 of 19 d. The allowance account before adjustment has a credit balance of $6,000. An aging of the accounts in the customer lec Indicates estimated doubtful accounts of $49,800. Determine the amount of the adjusting entry to provide for doubtful accounts under each of the assumptions (a through above. a. b. 1 c. 1 x d. 9 x