Marshall Corporation has accounts receivable of $95,400 at March 31, 2018. An analysis of the accounts shows these amounts. Month of Sale March (current) February (1 - 30 days past due) December and January (31 - 90 days past due) (over 90 days past due) Balance, March 31 2018 2017 $64,700 $75,900 12,700 7,600 10,800 2,300 7,200 1.000 $95,400 $86,800 Credit terms are 2/10,n/30. At March 31, 2018, there is an unadjusted $2,100 credit balance in Allowance for Doubtful Accounts. The company uses the percentage of receivables by age category for estimating uncollectible accounts Marshall's estimates of bad debts are as shown below. Age of Accounts Current 1-30 days past due 31-90 days past due Over 90 days past due Estimated Percentage Uncollectible 2% 6% 30% 50% (a) Prepare an aging schedule to determine the total estimated uncollectibles at March 31, 2018. Accounts Receivable Amount % Estimated Uncollectible ta $ Current 1-30 days past due 31-90 days past due Over 90 days past due