can someone help me with this

Portfolio beta and CAPM) You are putting together a portfolio made up of four different stocks. However, you are considering two possible weightings: m a. What is the beton sach portfolio? 6. Which portfolio is riskler? che nike free rate of interest were 6 percent and the market risk premium were 6.5 percent, what rate of return would you expect to eam from each of the portfolios? 2. The beta on the fint pontolio is (Round to three decimal places.) Data table Portfolio Weightings Asset Beta First Portfolio Second Portfolio A 2.40 8% 42% B 0.90 8% 42% 0.40 42% 8% D -1.30 42% 8% (Click on the icon in order to copy its contents into a spreadsheet.)