The risk-free rate is 7%. The expected market rate of return is 15%. If you expect a stock with a beta of 1.3 to offer a you should Select one: 0 a. Buy the stock because it is underpriced. teof tum of 12% b. sell the stock short because it is underpriced. Oc. buy the stock because it is overpriced O d. sell short the stock because it is overpriced