Net Present Value and Other Capital Budgeting Measures 4. Compute the Net Present Value (NPV), Internal Rate of Return (IRR), Profitability Index (PI), and Payback statistic for the project with the cash flows given below. Recommend whether the firm should accept or reject the project with the cash flows shown below if the appropriate cost of capital is 12 percent and the maximum allowable payback is 4 years. Time: Cash flow: 0 -2,100 1 350 2 700 3 800 4 750 5 525