Selected unadjusted account balances at December 31, 2020, are shown below for Demron Servicing Accounts receivable Account Debit $68,000 Credit Allowance for doubtful accounts Sales (all on credit) $ 1,100 482,000 Sales discounts 12,000 Required: a. Assume that Demron estimates uncollectible accounts as 4% of receivables. Prepare the adjusting entry required on December 21 2020 to estimate uncollectible receivables. View transaction list Journal entry worksheet Record the estimate for uncollectible accounts.