Nicholson Roofing Materials, Inc., is considering two mutually exclusive projects, each with an initial investment of $150,000. The company's board of directors has set a maximum 4-year payback requirement and has set its cost of capital at 9%. The cash inflows associated with the two projects are shown in the following table: Cash inflows (CFt) Year Project A ($) Project B ($) 1 45,000 75,000 2 45,000 60,000 3 45,000 30,000 4 45,000 30,000 5 45,000 30,000 6 45,000 30,000 (i) Calculate the payback period for each project. (ii) Calculate the NPV of each project at 10%(iii) Calculate the NPV of each project at 9%. (iv) Derive the IRR of each project. (v) Rank the projects by each of the techniques used. Make and justify a recommendation.