Use the security market line to determine the required rate of return for the following firm's stock. The firm has a beta of 1.05, the required return in the market place is 11.50%, the standard deviation of returns for the market portfolio is 20.00%, and the standard deviation of returns for your firm is also 20.00%. O A. 31.25% OB. 10.50% O C. 13.13% OD. There is not enough information to answer this question. Use the security market line to determine the required rate of return for the following firm's stock. The firm has a beta of 1.05, the required return in the market place is 11.50%, the standard deviation of returns for the market portfolio is 20.00%, and the standard deviation of returns for your firm is also 20.00%. O A. 31.25% OB. 10.50% O C. 13.13% OD. There is not enough information to answer this