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 $890,000 3/4% $ 
 1-30 days past due 97,900 2% 
 31-60 days past due 44,500 6% 
 61-90 days past due 32,000 16% 
 91-180 days past due 23,100 40% 
 Over 180 days past due 16,900 65% 
 Total $1,104,400 $