Consider the following two mutually exclusive projects, each of which require an initial investment of $100,000 and have no salvage value. This organization, which has a cost of capital of 15%, must choose one or the other, ignore taxes. Year Project A 1 $10,000 2 20,000 3 30,000 4 40,000 5 50,000 10,000 Project B $50,000 40,000 30,000 20,000 a. Compute the payback period of these two projects. Using the payback criterion, which project is more desirable? (3 marks) b. Calculate the Net Present Value for each project (6 marks) c. Calculate the profitability index (3 marks) d. Which is the better investment? Why