b. Base on the following information calculate the expected return and variance of the portfolio if the investor invests 60% of his money in Stock and 40% in Bond. Scistes Probability Rate of return in Stock % Rate of return in Bond % 1 0.2 10 3 2 0.2 4 -8 3 0.2 -9 7 4 0.2 20 12 5 0.2 5 21