HELP PLS!

The following data are available for three portfolios and the market for a recent 10-year period:

Avg Annual Standard

Portfolio Return (%) Deviation Beta R^2

1 14.00 21 1.15 0.70

2 16.00 24 1.00 0.98

3 20.00 28 1.25 0.90

S&P 500 12.00 20

RF 6.00

Which of the portfolios above have the highest risk-adjusted return as defined by the Sharpe ratio

Which of the portfolios (including the market portfolio) above have the LOWEST Treynor ratio

Which of the portfolios above have positive Jensen's alpha (Actual Return