At the completion of the current fiscal year ending December 31, the balance of Accounts Receivable for Dudley's Drywalling was $22,300. Credit sales for the year were $515,000. Required: Make the necessary adjusting entry in general journal form under each of the following assumptions. 1. Allowance for Doubtful Accounts has a credit balance of $870. 2. a. The percentage of sales method is used, and bad debt expense is estimated to be 1.0% of credit sales. b. The percentage of receivables method is used, and an analysis of the accounts produces an estimate of $1,580 in uncollectible accounts. Allowance for Doubtful Accounts has a debit balance of $615... a. The percentage of sales method is used, and bad debt expense is estimated to be 0.8% of credit sales. b. The percentage of receivables method is used, and an analysis of the accounts produces an estimate of $1,510 in uncollectible accounts.