Stock F has a beta of 0.89 and an expected return of 6.25% a year. Stock G has a beta of 0.95 and an expected return of 6.39% a year. Stock H has a beta of 0.91 and an expected return of 6.29% a year. The risk-free rate is equal to 4.2%.

(c) Calculate the beta of the following portfolios with 2 assets: Portfolio 1 (60% of F and 40% of G), Portfolio 2 (50% of G and 50% of H), and Portfolio 3 (40% of F and 60% of H).