Please answer all parts fully!

1. Suppose the yield on short-term government securities (perceived to be risk-free) is about 2%. Suppose also that the expected return required by the market for a portfolio with a beta of 1.0 is 12%. According to the capital asset pricing model: a. What is the expected return on the market portfolio? b. What would be the expected return on a zero-beta stock? C. Suppose you consider buying a share of stock at a price of $40. The stock is expected to pay a dividend of $3 next year and to sell then for $41. The stock's risk has been evaluated at = .8. Is the stock overpriced or underpriced