(Portfolio beta and CAPM) You are putting topether a portholio made up of four different stocks. However, you are considering two possible woightngs: a. What is the beta on each portlolio? b. Which portlolio is riskier? c. If the nik-free rate of interest were 4.5 percent and the market risk premium were 5.5 percent, what rate of return wosild you expect to earn from each of the portlolics? a. The beta on the first portfolio in (Round to three decimal places) a. What is the beta on each portfolio? b. Which portbolio is riskier? c. If the risk free rate of interest were 4.5 percent and the manket risk premium were 5.5 percent, what rate of retum would you erpect to aarn from each of the portiolion? a. The beta of Data table