9. Portfolio risk and return Cheyenne 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 9.00% Kulatsu Motors Co. (KMC) $1,500 1.70 11.00% Three Waters Co. (TWC) $1,125 1.10 18.00% Makissi Corp. (MC) $2,250 0.30 25.50% Suppose all stocks in Cheyenne's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? O Kulatsu Motors Co. O Perpetualcold Refrigeration Co. O Three Waters Co. O Makissi Corp. Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of standalone risk? O Makissi Corp. O Perpetualcold Refrigeration Co. Three Waters Co. O Kulatsu Motors Co. If the risk-free rate is 4% and the market risk premium is 6%, what is Cheyenne's portfolio's beta and required return? Fill in the following table: Beta Required Return Cheyenne's portfolio