B Attempts Do No Harm /3 B. 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 1.00 9.00% Tobotics Inc. (TI) $1,500 1.30. 11.50% Water and Power Co. (WPC) Makiss Corp. (MC) $1,125 $2,250 1.15 0.30 20.00% 19.50% Suppose all stocks in Cheyenne's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? O Water and Power Co. Perpetualcold Refrigeration Co. O Makiss Corp. Tobotics Inc. Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of stand-alone risk? Suppose all stocks in Cheyenne's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? O Water and Power Co. O Perpetualcold Refrigeration Co. O Makissi Corp. O Tobotics Inc. Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of stand-alone risk? O Tobotics Inc. O Makissi Corp. O Water and Power Co. O Perpetualcold Refrigeration Co. If the risk-free rate is 7% and the market risk premium is 8.5%, what is Cheyenne's portfolio's beta and required return? Fill in the following table: 41 B Beta Required Return Cheyenne's portfolio Grade It Now Save & Continue Continue without saving