8. Consider the following Scenario Analysis: Scenario Probability Stock Return Bond Return Recession 0.2 - 4% +12% Normal Economy 0.6 +12% +8% Strong Economy 0.2 +20% +5% Assume you have a portfolio that is weighted 40% in stocks and 60% in bonds. a) What are the expected rate of return and standard deviation of the portfolio? (12 points) b) Please explain BRIEFLY in words whether a rational investor would prefer to invest in the portfolio, in stocks only, or in bonds only. (5 points)