The ledger of Wainwright Company at the end of the current year shows Accounts Receivable $84,000; Credit Sales $927,000; and Sales Returns and Allowances $40,300. (Credit account titles are automatically indented when amount is entered. Do not indent manually.)

(a) If Wainwright uses the direct write-off method to account for uncollectible accounts, journalize the adjusting entry at December 31, assuming Wainwright determines that Hiller's $870 balance is uncollectible.

(b) If Allowance for Doubtful Accounts has a credit balance of $1,000 in the trial balance, journalize the adjusting entry at December 31, assuming bad debts are expected to be 12% of accounts receivable.

(c) If Allowance for Doubtful Accounts has a debit balance of $730 in the trial balance, journalize the adjusting entry at December 31, assuming bad debts are expected to be 9% of accounts receivable.