Answer A is correct need assistance with B please.

The Reynolds Corporation buys from its suppliers on terms of 2/15, net 55. Reynolds has not been utilizing the discounts offered and has been taking 55 days to pay its bills. Ms. Duke, Reynolds Corporation's vice president, has suggested that the company begin to take the discounts offered. Duke proposes that the company borrow from its bank at a stated rate of 21 percent. The bank requires a 15 percent compensating balance on these loans. Current account balances would not be available to meet any of this compensating balance requirement. a. Calculate the cost of not taking a cash discount. (Use a 360-day year. Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) Cost of not taking a cash discount 18.36% b. What is the effective rate of interest on the bank loan? (Use a 360-day year. Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) Effective rate of interest 25.88 %