2.Providing for Doubtful Accounts

At the end of the current year, the accounts receivable account has a debit balance of $666,000 and sales for the year total $7,550,000.

1. The allowance account before adjustment has a credit balance of $9,000. Bad debt expense is estimated at 1/2 of 1% of sales.
2. The allowance account before adjustment has a credit balance of $9,000. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $28,800.
3. The allowance account before adjustment has a debit balance of $5,300. Bad debt expense is estimated at 1/4 of 1% of sales.
4. The allowance account before adjustment has a debit balance of $5,300. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $44,000.

Determine the amount of the adjusting entry to provide for doubtful accounts under each of the assumptions (a through d) listed above.