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 what the proper balance of the allowance for doubtful accounts should be as of December 31. Performance Bike Co. Estimation of Uncollectible Accounts December 31 Age Interval Balance Estimated Uncollectible Accounts Percent Estimated Uncollectible Accounts Amount Not past due $672,000 1/29 1-30 days past due 73.900 4 31-60 days past due 33,600 6 61-90 days past due 24,200 12 91-180 days past due 17,500 42 Over 100 days past due 12,800 80 Total $834,000