Daley Company estimates uncollectible accounts using the allowance method at December 31. It prepared the following aging of receivables analysis. Days Past Due Total 0 1 to 30 31 to 60 61 to 90 Over 90 Accounts receivable $ 570,000 $ 396,000 $ 90,000 $ 36,000 $ 18,000 $ 30,000 Percent uncollectible 1 % 2 % 5 % 7 % 10 % a. Estimate the balance of the Allowance for Doubtful Accounts assuming the company uses 4.5% of total accounts receivable to estimate uncollectibles, instead of the aging of receivables method.