Winfrey Designs had an unadjusted credit balance in its Allowance for Doubtful Accounts at December 31, 2017, of $1,800. Required a. Prepare the adjusting entry assuming that Winfrey estimates uncollectible accounts based on an aging analysis as follows: December 31, 2017 Accounts Receivable $120,000 Age of Accounts Receivable Not due (under 30 days) Expected Percentage Uncollectible 35,000 8,000 2,000 1 to 30 days past due 31 to 60 days past due Over 60 days past due Click here for a description of Table: Exercise 8-12, a. 0.75% 4% 10% 60% b. During 2018, credit sales were $1,200,000; sales discounts taken were $22,000; accounts receivable collected were $995,000; and accounts written off during the year totalled $24,000. Prepare the adjusting entry required on December 31, 2018, to estimate uncollectible receivables assuming it is based on the following aging analysis.