Harper Engine Company needs $644,000 to take a cash discount of 2.50/20, net 95. A banker will lend the money for 75 days at an interest cost of $16,100.

a. What is the effective rate on the bank loan?

b. How much would it cost (in percentage terms) if Harper did not take the cash discount but paid the bill in 95 days instead of 20 days?

c. Should Harper borrow the money to take the discount?

d. If another banker requires a 10 percent compensating balance, how much must Harper borrow to end up with $644,000?

e-1. What would be the effective interest rate in part d if the interest charge for 75 days were $10,000?

e-2. Should Harper borrow with the 10 percent compensating balance requirement? (There are no funds to count against the compensating balance requirement.)