(Portfolio beta and CAPM) You are putting together a portfolio made up of four different stocks. However, you are considering two possible weightings: P: a. What is the beta on each portfolio? b. Which portfolio is riskier? c. If the risk-free rate of interest were 4 percent and the market risk premium were 5 percent, what rate of return would you expect to earn from each of the portfolios? - X Data table Asset Portfolio Weightings Beta First Portfolio Second Portfolio A 2.50 10% 40% B 1.00 10% 40% 0.50 40% 10% D - 1.50 10% (Click on the icone in order to copy its contents into a spreadsheet.) 40%