Estimating Allowance for Doubtful Accounts Kirchhoff Industries has a past history of uncollectible accounts, as shown below Age Class Not past due 1-30 days past due 31-60 days past due 61-90 days past due Over 90 days past due Estimate the allowance for doubtful accounts, based on the aging of receivables schedule below Percent Uncollectible 196 50 Kirchhoff Industries Aging of Receivables Schedule Balance 557,000 19,100 19,700 6,700 8,700 27,400 638,600 Not Past Due 1-30 Days Past Due 31-60 Days Past Due 61-90 Days Past Due Over 90 Days Past Due 328,600 Customer Subtotals Conover Industries Keystone Company Moxie Creek Inc. Rainbow Company Swanson Company Totals 122,500 50,100 27,900 27,900 19,100 19,700 6,700 8,700 27,400 356,000 19% 131,200 6% 56,800 25% 47,600 3596 47,000 50% Percentage uncollectible Allowance for Doubtful Accounts