Wintrey Designs had an unadjusted credit balance in its Allowance for Doubtful Accounts at December 31, 2017, of $2,700 Required a. Prepare the adjusting entry assuming that Winfrey estimates uncollectible accounts based on an aging analysis as follows. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) December 31, 2017 Accounts Receivable Expected Percentage Uncollectible Age of Accounts Receivable Not due (under 30 days) 1 to 30 days past due 31 to 60 days past Over 60 days past due 1% 4% 10% 60% S183,000 53,000 12,500 2,900 View transaction list View journal entry worksheet No Date General Journal Debit Credit December 31,Bad debt expense 4,240 2017 Allowance for doubtful accounts 4,240