9.Company A has a beta of 0.70, while Company B's beta is 1.40. The required return on the stock market is 9.00%, and the risk-free rate is 2.25%. What is the difference between A's and B's required rates of return? (Hint: First find the market risk premium, then find the required returns on the stocks.) Do not round your intermediate calculations.

a. 3.150% b. 6.300% c. 9.338% d. 4.725% e. 6.975%