Emma holds a $7,500 portfolio that consists of four stocks. Her investment in each stock, as well as each stock's beta, is listed in the following table: Stock Investment Beta Standard Deviation Perpetualcold Refrigeration Co. (PRC) $2,625 0.90 15.00% Zaxatti Enterprises (ZE) $1,500 1.30 11.00% Water and Power Co. (WPC) $1,125 1.10 18.00% Makissi Corp. (MC) $2,250 0.50 19.50% Suppose all stocks in Emma's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? Makissi Corp. Perpetualcold Refrigeration Co. Water and Power Co. Zaxatti Enterprises Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of stand-alone risk? Perpetualcold Refrigeration Co. Water and Power Co. Makissi Corp. Zaxatti Enterprises If the risk-free rate is 7% and the market risk premium is 8.5%, what is Emma's portfolio's beta and required return? Fill in the following table: Beta Required Return Emma's portfolio