Please help me with these four questions

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: Stock Investment Beta Standard Deviation Omni Consumer Products Co. (OCP) $1,750 0.80 15.00% Tobotics Inc. (TI) $1,000 1.30 11.00% Water and Power Co. (WPC) $750 1.10 16.00% Flitcom Corp. (FC) $1,500 0.50 19.50% Suppose all stocks in Cheyenne's portfolio were equally Suppose all stocks in the portfolio were equally weighted. weighted. Which of these stocks would contribute the Which of these stocks would have the least amount of least market risk to the portfolio? standalone risk? OO Water and Power Co. O Water and Power Co. Flitcom Corp. O Omni Consumer Products Co. O Tobotics Inc. O Flitcom Corp. O Omni Consumer Products Co. O Tobotics Inc. If the risk-free rate is 7% and the market risk premium is 9%, what is Cheyenne's portfolio's beta and required return? Fill in the following table: Beta Required Return Cheyenne's portfolio