Risk-adjusted discount rates: Basic Country Wallpapers is considering investing in one of three mutually exclusive projects, E, F, and G. The firm's cost of capital, r, 1S 15%, and the risk-free rate, RF, is 10%. The firm has gathered the basic cash flow and risk index data for each project as shown in the following table. Project (j) Initial investment (CFo)-$15,000 -11,000 Cash inflows (CF.) -$19,000 Year (t) $6,000 6,000 6,000 6,000 1.80 $6,000 4,000 5,000 2,000 1.00 4,000 6,000 8,000 12,000 0.60 4 Risk index (RI) a. Find the net present value (NPV) of each project, using the firm's cost of capital Which project is preferred in this situation? b. The firm uses the following equation to determine the risk-adjusted discount rate, RADR, for each project j: where Rf risk-free rate of return RI, risk index for project j Substitute each project's risk index into this equation to determine its RADR. ect is preferable in this situation? ommend that the firm accept? r cost of capital ADR for each project to determine its risk-adjusted NPV. Which proj- d. Compare and discuss your findings in parts a and c. Which project do