You've worked out a line of credit arrangement that allows you to borrow up to $60 million at any time. The interest rate is .578 percent per month. In addition, 4 percent of the amount that you borrow must be deposited in a noninterest-bearing account Assume that your bank uses compound interest on its line-of-credit loans. a. What is the effective annual interest rate on this lending arrangement? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. Suppose you need $19.2 million today and you repay it in six months. How much interest will you pay? (Do not round intermediate calculations and enter your answer in dollars, not millions, rounded to 2 decimal places, e.g. 1,234,567.89.) 7.19% a. Effective annual rate Total interest paid b