Harper Engine Company needs $652,000 to take a cash discount of 2.50/10, net 70. A banker will loan the money for 60 days at an interest cost of $14,100. a. What is the effective rate 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 % b. How much would it cost (in percentage terms) If Harper did not take the cash discount but paid the bill in 70 days instead of 10 days? (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 d. If another banker requires a 10 percent compensating balance, how much must Harper borrow to end up with $652,000? (Round your answer to 2 decimal places.) Amount to be borrowed hoes e-1. What would be the effective interest rate in part d if the interest charge for 60 days were $13,900? (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