The expected return on the market portfolio is 10%. The risk free rate is 5%. The variance of the market portfolio returns is 0.08 and the covariance of the market and GE returns are 0.04.

a) Calculate beta for GE. Interpret what beta means.

b) Calculate the expected return for GE stock.

c) If you form a portfolio with 75% invested in the market portfolio and 25% invested in the GE stock, what would be the expected return for the portfolio?