6. Portfolio risk and return Emma holds a $5,000 portfolio that consists of four stocks. Her investment in each stock, as well as each stock's beta, is listed in the following table: Suppose all stocks in Emma's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? Kulatsu Motors Co. Perpetualcold Refrigeration Co. Three Waters Co Mainway Toys Co, Suppose all stods in the portiolio were equally weighted. Which of these stocks would have the least amount of stand-alone risk? Three waters c0 Perpetualcold Refrigeration Co. Kulatsia Motors Co Mainway Tors co. If the risk free mate is 7% and the market risk premium is 8.5%, what is Emma's portfolio's beta and required retum? Fill in the following table