Sun Valley Rides is a wholesaler of motorcycle supplies. An aging of the company's accounts receivable on December 31 , 20y3, and a historical analysis of the percentage of uncollectibie accounts in each age category are as follows: Estimate the what balance of allowance for doubtful accounts should be as of December 31,20Y3, Enter your answers as positive amounts. Estimated Uncollectible . Age Interval Amount Not past due 1-30 days past due 31-60 days past due 61-90 days past due 91-180 days past due More than 180 days past due Total