Please help! I think I have the first two questions answered correctly (please confirm)

and the options for the 3rd question are BETA: (1.4663 or 0.8309 or 0.6549 or 0.9775)

REQUIRED RETURN: (1,194.18% or 1,760.65% or 15.31% or 1,898.44%)

Cheyenne 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 Beta Standard Deviation 15.00% $1,750 Stock Perpetualcold Refrigeration Co. (PRC) Zaxatti Enterprises (ZE) Three Waters Co. (TWC) Flitcom Corp. (FC) 0.90 1.70 $1,000 11.50% $750 1.15 18.00% $1,500 0.50 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? Flitcom Corp. Perpetualcold Refrigeration Co. O Three Waters Co. Zaxatti Enterprises Suppose all stocks in the portfolio were equally weighted. Which of these stocks would have the least amount of stand-alone risk? O Three Waters Co. Flitcom Corp. Perpetualcold Refrigeration Co. Zaxatti Enterprises If the risk-free rate is 7% and the market risk premium is 3.5%, what is Cheyenne's portfolio's beta and required return? Fill in the following table: Beta Required Return Cheyenne's portfolio