Use 4 decimal places to calculate the answers and present your answers as xx.xx% CCC Corporation purchased a new machine for $ 600,000 on credit. The supplier has offered the payment terms of 4/25, net 90. The current interest rate the bank is offering is 15 percent. a. Compute the cost of giving up cash discount. b. Should the firm take or give up the cash discount? c. What is the effective rate of interest if the firm decides to take the cash discount by borrowing money on a discount basis