You have been offered a unique investment opportunity. If you invest $ 10 comma 700$10,700 today, you will receive $ 535$535 one year from now, $ 1 comma 605$1,605 two years from now, and $ 10 comma 700$10,700 ten years from now. a. What is the NPV of the opportunity if the cost of capital is 5.1 %5.1% per year? Should you take the opportunity? b. What is the NPV of the opportunity if the cost of capital is 1.1 %1.1% per year? Should you take it now?