Your firm needs to borrow $1.0 million for one year. The firm has no other short term borrowings and it's combined state and federal tax rate is 25%. Your banker offers several lending alternatives. Which one will you choose? Select one: a. 5.50% discount interest with a 15.00% compensating balance b. 7.00% simple interest c. 5.75% simple interest with a 20.00% compensating balance d. 7.25% discount interest