Hello, please help. If you are unable to answer all questions please do not respond. I am getting mixed answers on #1&3. I will vote accordingly. Thank you in advance.

You currently hold a portfolio that has SPY, MSFT, AAPL, and WFC in it. You are considering adding BA stock to it. Table below summarizes historical data analysis for (1) SPY, (2) Portfolio of (SPY, MSFT, AAPL, and WFC), (3) BA stock, and (4) New Portfolio that is based on the old portfolio with BA stock added to it. SPY Portfolio (SPY, MSFT, AAPL, WFC) BA Portfolio + BA Summary Statistics Average Variance St.Dev. 0.7096 0.0014 3.71% 1.0496 0.0022 4.6496 1.4396 0.0038 6.2096 1.09% 0.0020 4.4396 Regression Analysis Summary Intercept Beta 0.00204 1.20562 0.00793 0.92070 0.00287 1.15489 1 Var (residuals) St. Dev. residuals) 0.000149 1.22% 0.002676 5.17% 0.000126 1.129 Rf 0.05% R (CAPM) Jensen Alpha Treynor Index Sharpe Ratio M 0.0065 0.1740 0.0082 0.2142 0.0150 0.2231 0.0090 0.2350 1. Based on Treynor Index, which one has the best performance? a. SPY b. Portfolio of (SPY, MSFT, AAPL, WFC) BA d. Portfolio + BA c. 2. Based on Sharpe Index, which one has the best performance? a. SPY b. Portfolio of (SPY, MSFT, AAPL, WFC) c. BA d. Portfolio + BA 3. Based on the analysis of Treynor and Sharpe Indexes for the 4 investment options, and other data provided in the table, what can you conclude: a. BA stock must have a lot of firm specific risk compared to other investments b. BA stock must have a lot of market risk compared to other investments BA stock must have very little firm specific risk compared to other investments d. BA stock must have very little of market risk compared to other investments c