Elle holds a $5,000 portfolio that consists of four stocks. Her investment in each stock, as well as each stock's beta and standard deviation, is listed in the following table: Suppose all stocks in Elle's portfolio were equally weighted. Which of these stocks would contribute the least amount of market risk to the portfolio? Tobotics Inc. Perpetualcold Refrigeration Co. Mainway Toys Co. Western Gas \& Electric Co. Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of stand-alone risk? Mainway Toys Co. Perpetualcold Refrigeration Co. Tobotics Inc. Western Gas \& Electric Co. If the risk-free rate is 7% and the market risk premium is 9%, what is the beta and required return of Elle's portfolio? Choose the correct answer from the dropdown menus to complete the following table