(Trade credit discounts) Determine the effective annualized cost of forgoing the trade credit discount on the following terms: a. 3/9, net 25 b. 3/7, net 40 c. 2/7, net 20 d. 5/5, net 90 e. 4/6, net 60 f. 4/8, net 70 a. What is the effective annualized cost of forgoing the discount on the trade credit terms of 3/9, net 25? Use a 360-day year. % (Round to two decimal places.)