The risk-free rate is 4 percent. The expected market rate of return is 11 percent. If you expect CAT with a beta of 0.8 to offer a rate of return of 10 percent, you should O A. buy CAT because it is underpriced. OB. hold CAT because it is fairly priced. OC. sell stock short CAT because it is underpriced. buy CAT because it is overpriced. OD. O E. sell short CAT because it is overpriced