Below is the aging schedule of the accounts receivable for Unico Company: Age of accounts Accounts Receivable Estimated Percentage Uncollectible Estimated Uncollectible Accounts Current accounts $ 140,000 1% ? 030 days past due ? 5% 4,750 3160 days past due 36,000 ? 3,600 6190 days past due 12,000 ? ? Over 90 days past due ? 50% 4,000 Total $ 291,000