Stock A's stock has a beta of 1.20, and its required return is 12.25%. Stock B's beta is 0.80. If the risk-free rate is 4.25%, what is the required rate of return on B's stock? O 9.58% 8.12% O 8.76% 9.21% 10.25% Cool Company's stock has a beta of 1.14, the risk-free rate is 4.25%, and the market risk premium (rm-rRF) is 5.50%. What is the firm's required rate of return? 10.52% 11.95% 12.25% 12.55% O 11.40%