Cooley Company's stock has a beta of 1.46, the risk-free rate is 2.25%, and the market risk premium is 5.50%. What is the firm's required rate of return? 12.75% 9.56% 10.69% 8.53% 10.28% Dothan Inc's stock has a 25% chance of producing a 17% return, a 50% chance of producing a 12% return, and a 25% chance of producing a -18% return. What is the firm's expected rate of return? 5.75% 5.81% 6.27% 4.72% 4,43% Porter Inc's stock has an expected return of 11.00%, a beta of 1.25, and is in equilibrium. If the risk-free rate is 2.00%, what is the market risk premium? 7.20% 6.26% 6.98% 7.56% 9.00%