You are offered three investment opportunities, each at a cost of $10,000 to be paid today with a cash inflow to be obtained in one bulk payment in 5 years. A: provides 2% every quarter B: provides 4.5% every 6 months C: provides x% every month a) If you had to choose between A and B, which one would you choose? b) If C provides the same cash inflow at the end of 5 years as your choice in part a, what is x?