On-line Text Co. has four new text publishing products that it is considering. The projects are of equal risk with a beta of 1.6. The risk-free rate is 4.2 percent and the market rate of returnis expected to be 12.3 percent. The projects and their expected internal rates of return are: W = 18.42 percent; X = 17 percent, Y = 19.32 percent; and Z = 16.2 percent. Which projects should be accepted?