Investment required Present value of cash inflows at n 10% discount rate Net present value Life of the project Internal rate of return Project Number 2 $(450,000) $(400,000) $(300,000) $(300,000) 490, 183 477.004 348.400 373, 050 $ 40, 183 $ 77,004 $ 48,400 S73, 050 6 years 12 years 6 years 3 years 13% 14% 15% 23 Because the company's required rate of return is 10%, a 10% discount rate has been used in the present value computations abovs. Limited funds are available for investment, so the company can't accept all of the available projects, Required: 1. Compute the project profitability Index for each investment project. 2. Rank the four projects according to preference, in terms of net present value, project profitability index and internal rate of retum