Country Wallpapers is considering investing in one of three mutually exclusive projects, E, F, and G. The firm's cost of capital, r, is 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.

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, RADRj, for each project j:
RADR_j = R_F + [RI_j × (r - R_F)]
Where
R_F = risk-free rate of return
RI_j = risk index for project j
r = cost of capital
Substitute each project's risk index into this equation to determine its RADR.
c. Use the RADR for each project to determine its risk-adjusted NPV. Which project is preferable in this situation?
d. Compare and discuss your findings in parts a and c. Which project do you recommend that the firm accept?

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Project ) Initial investment (CFo $15,000 11,000 S19,000 Ycar (t) 6,000 6,000 6,000 1.80 Cash inflows (CF) 6,000 6,000 $4,000 4,000 5,000 2,000 1.00 6,000 8,000 12,000 0.60 4 Risk index (RI)