Please complete a,b,c,d and show work!

(Cost of trade credit) Calculate the effective cost of the following trade credit terms when payment is made on the net due date. Use approximate cost-of-credit formula. Note: Assume a 30-day month and 360-day year. a. 3/5, net 60 b. 2/15, net 45 c. 4/15, net 75 d. 2/15, net 60 a. When payment is made on the net due date, the APR of the credit terms of 3/5, net 60 is %. (Round to two decimal places.)