You run a construction firm. You have just won a contract to build a government office building. It will take one year to construct it requiring an investment of $8.91 million today and $5.00 million in one year. The government will pay you $20.50 million upon the building's completion. Suppose the cash flows and their times of payment are certain, and the risk-free interest rate is 10%. a. What is the NPV of this opportunity? b. How can your firm turn this NPV into cash today