8. Portfolio risk and return Elle holds a $5,000 portfolio that consists of four stocks. Her investment in each stock, as well as each stock's beta, is isted in the following table: Suppose all stocks in Elle's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? Westem Gas \& Electric Co. Tobotics inc. Perpetualcold Refrigeration Co. Makissi Corp. Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of stand alone risk? Makissi Corp. Western Gas \& Electric Co. Perpetualcold Refrigeration Co. Tobotics inc. if the risk-free rate is 7% and the market risk premlum is 8.5%, what is Elle's portfolio's beta and required return? Fill in the following