Buskirk Construction buys on terms of 2/18, net 60 days. It does not take discounts, and it typically pays on time, 60 days after the invoice date. Net purchases amount to $400,000 per year. On average, how much "free" trade credit does the firm receive during the year? (Assume a 365-day year, and note that purchases are net of discounts.) a. $19,332 b. $46,027 c. $19,726 d. $65,753 e. $45,107