Suppose the yield on short-term government securities (perceived to be risk-free) is about 4%. Suppose also that the expected return required by the market for a portfolio with a beta of 1 is 10.0%. According to the capital asset pricing model: a. What is the expected return on the market portfolio? (Round your answer to 1 decimal place.) Expected rate of return % b. What would be the expected return on a zero-beta stock? Expected rate of retum