3. Portfolio risk and retur Ariel 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: Investment Beta Stock Omni Consumer Products Co. (OCP) Kulatsu Motor Co. (KMC) Water and Power Co. (WPC) Mainway Toys Co. (MTC) 0.90 1.00 $2,625 $1,500 $1.125 $2,250 Standard Deviation 9.00% 11.50% 18.00 28.50% 1.15 0.30 Suppose all stocks in Ariel's portfolio were equally welohted. Which of these stocks would contribute the least market risk to the portfolio? Kulatsu Motors Co. Omni Consumer Products Co. Water and Power Co. O Mainway Toys Co. Suppose all stocks in the portfolio were equally weighted. Which of these stods would have the least amount of stand-alone risk Okulatsu Motors Co. O Mainway Toys Co. Omni Consumer Products Co. Water and Power Co. If the risk free rate is 4% and the market risk premium is 5.5%, what is Ariel's portfolio's beta and required return?Fol in the following tables Beta Required Return Ariel's portfolio Grade It Now Save & Continue