5: An investment project requires an initial investment today of $1 million. It pays annual positive cash flows of $200,000 at the end of the next 8 years. (a) If the company requires a payback period of 4.5 years, should it invest in this project? (b) If the required rate of return is 12%, should it invest in the project according to NPV? (c) Using the IRR criterion, should the company invest in the project