Suppose that Bank A pays 1.38% interest compounded quarterly on a 4 -year CD, while Bank B pays 1.37% compounded daily. a. What are the effective rates for the two CDs? Use a 365-day year. b. Suppose $3000 was invested in each of these accounts. Find the compound amount after four years for each account a. The effective rate for Bank A is \% (Do not round until the final answer. Then round to three decimal places as needed)