Compute the cost of not taking the following trade discounts: (Use 365 days in a year. Round the intermediate calculations to 4 decimal places. Round the final answer to 2 decimal places.)

a. 3/14, net 65.

Cost of lost discount %

b. 3/23, net 45.

Cost of lost discount %

c. 4/11, net 55.

Cost of lost discount %

d. 4/18, net 145.

Cost of lost discount %