Estimating Doubtful Accounts Performance Bike Co. is a wholesaler of motorcycle supplies. An aging of the company's accounts receivable on December 31 and a historical analysis of the percentage of uncollectible accounts in each age category are as follows: Estimate the proper balance of the allowance for doubtful accounts as of December 31. Estimated Uncollectible Accounts Age Interval Balance Percent Amount Not past due $3,250,000 0.8% $ 26,000 1-30 days past due 1,050,000 2.4 31-60 days past due 780,000 7.0 61-90 days past due 320,000 18.0 91-180 days past due 240,000 34.0 85.0 Over 10 days past due 150,000 Total $5,790,000