Providing for Doubtful Accounts At the end of the current year, the accounts receivable account has a debit balance of $6,800,000 and sales for the year total $81,500,000.

The allowance account before adjustment has a debit balance of $68,250. Bad debt expense is estimated at ¾ of 1% of sales.
The allowance account before adjustment has a debit balance of $68,250. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $575,000.
The allowance account before adjustment has a credit balance of $45,000. Bad debt expense is estimated at ½ of 1% of sales.
The allowance account before adjustment has a credit balance of $45,000. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $450,000.
Determine the amount of the adjusting entry to provide for doubtful accounts under each of the assumptions (a through d) listed above.

a. $fill in the blank 1
b. $fill in the blank 2
c. $fill in the blank 3
d. $fill in the blank 4