I need help immediately on this question.

Ariel holds a 5,000 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 $1,750 $1,000 $750 $1,500 Beta 0.80 1.70 1.15 0.30 Standard Deviation 9.00% 11.50% 16.00% 25.50% Stock Perpetualcold Refrigeration Co. (PRC) Zaxatti Enterprises (ZE) Three Waters Co. (TWC) Makissi Corp. (MC) Suppose all stocks in Ariel's portfolio were equally weighted. Which of these stocks would contribute the least market risk to the portfolio? Suppose all stocks in the portfolio were equally weighted Which of these stocks would have the least amount of standalone risk? O Perpetualcold Refrigeration Co O Zaxatti Enterprises Zaxatti Enterprises O Three Waters Co O Makissi Corp Three Waters Co O Perpetualcold Refrigeration Co O Makissi Corp If the risk-free rate is 4% and the market risk premium is 6%, what is Ariel's portfolio's beta and required return? Fill in the following table Beta 0.883 1.325 0.751 0.883 0.592 Required Return Ariel's portfolio 9.30% 10.70% 12.83% 7.25% Flash Player WIN 27,0,0,130