You have been offered a unique investment opportunity. If you invest 8,500 today, you will receive 425 one year from now, 1275 two years from now, and 8500 in ten years. a. What is the NPV of the opportunity if the cost of capital is 6.2% per year? Should you take the opportunity? b. What is the NPV of the opportunity if the cost of capital is 2.2% per year? Should you take it now?