Estimating Doubtful Accounts Performance Bike Co. is a wholesaler of motorcycle supplies. An aging of the companys 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% $fill in the blank 1 1-30 days past due 1,050,000 2.4 fill in th