You are a consultant to a large manufacturing corporation considering a project with the following net after-tax cash flows (in millions of dollars): The project's beta is 1.6. Assuming rf=58 and z(rM)=158 Required: a. What is the net present value of the project? (Do not round intermediate calculations. Enter your answer in millions rounded to 2 decimal places.) b. What is the highest possible beta estimate for the project before its NPV becomes negative? (Do not round intermediate calculations. Round your answer to 3 decimal places.)