As part of its year-end adjusting process, ZZ, Inc. prepared the following aging schedule for its accounts receivable as of December 31, 2020: Accounts Receivable % Uncollectible not past due $145,000 3% 1-30 days past due 53,000 6% 31-60 days past due ? 11% 61-90 days past due 8,500 14% over 90 days past due 5,700 60% Based on the above information, ZZ, Inc. reported a net realizable value of its accounts receivable at December 31, 2020 of $270,370. Calculate the amount of accounts receivable that were 31-60 days past due.