Sun Valley Rides is a wholesaler of motorcycle supplies. An aging of the company's accounts receivable on December 31, 2013, and a historical analysis of the percentage of uncollectible accounts in each age category are as follows: Age Interval Balance Percent Uncollectible Not past due $2,025,000 2 % 1-30 days past due 900,000 1 31-60 days past due 135,000 7. 61-90 days past due 60,000 16 91-180 days past due 30,000 51 Over 130 days past due 15,000 80