Safety Window and Door Co

Safety Window and Door Co.buys on terms of 2/15, net 60 days.It does not take discounts, and it typically pays on time, 60 days after the invoice date.Net purchases amount to $450, 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) $18, 493
B) $19, 418
C) $20, 389
D) $21, 408
E) $22, 479