You have been offered a unique investment opportunity. If you invest $9,800 today, you will receive $490 one year from now, $1,470 two years from now, and $9,800 ten years from now. a. What is the NPV of the opportunity if the cost of capital is 5.7% per year? Should you take the opportunity? b. What is the NPV of the opportunity if the cost of capital is 1.7% per year? Should you take it now