Calculate the NPV and Pl using the following information and decide whether to accept this project or not if K (initial investment) = 20000 and r (the discount rate) = 8%: year 1 2 3 4 5 Cash Flow 4000 2000 1800 1000 6000 Using the data from previous question, calculate the IRR and decide whether to accept the project or not if the cost of capital is 15%.