On December 31,2021 , the balance in Megan's Products Accounts Receivable was $680,000 and net credit sales amounted to $3,800,000 during 2021. An aging analysis of the accounts receivable indicated that $40,000 in accounts are expected to be uncollectible. Prepare the adjusting entries to record estimated bad debt expense using the percentage-of-receivables basis under each of the following independent assumptions: Allowance for Doubtful Accounts has a credit balance of $3,200 before adjustment. (Credit occount titles are automatically indented when the amount is entered. Do not indent manually.) Allowance for Doubtful Accounts has a debit balance of $730 before adjustment. (Credit occount titles are outomatically indented when the amount is entered. Do not indent manually.)