Emma holds a $10,000 portfolio that consists of four stocks. Her investment in each stock, as well as each stocks beta, is listed in the following table:

Can you check the one I already did, and don't know how to do. the Beta and Required Return. Thank you!

Stock Investment Beta Standard Deviation Perpetualcold Refrigeration Co. (PRC) $3,500 1.00 9.00% Tobotics Inc. (TI) $2,000 1.30 12.00% Western Gas & Electric Co. (WGC) $1,500 1.20 20.00% Makissi Corp. (MC) $3,000 0.30 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? Perpetualcold Refrigeration Co. Tobotics Inc. Western Gas & Electric Co. Makissi Corp. Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of stand-alone risk? Western Gas & Electric Co. Tobotics Inc. Perpetualcold Refrigeration Co. Makissi Corp. If the risk-free rate is 4% and the market risk premium is 5.5%, what is Emma's portfolio's beta and required return? Fill in the following table: Beta Required Return Emma's portfolio