Taylor Textbooks Inc. buys on terms of 1/13, net 58 days. It does not take discounts, and it typically pays on time, 58 days after the invoice date. Net purchases amount to $400,000 per year. On average, what is the dollar amount of costly trade credit (total credit - free credit) the firm receives during the year? (Assume a 365-day year, and note that purchases are net of discounts.)