You have been offered a unique investment opportunity. If you invest $8,900 today, you will teceive $445 one year from now, $1,335 fwo years from now, and $8,900 ten years from now a. What is the NPV of the opportunity if the cost of capital is 6.1% per yoar? Should you take the opportunity? b. What is the NPV of the opportunity it the cost of capilal is 2.1% per yoar? Should you take it now? a. What is the NPV of the opportunity if the cost of capital is 61% per year? If the cost of capital is 6.1% per year, the NPV is } (Round to the nearest cent)