An analyst wants to evaluate Portfolio $x,$ consisting entirely of U$.$S$.$ common stock,

using both the Treynor and Sharpe measures of portfolio performance. The following

table provides the average annual rate of return for Portfolio $x,$ the market portfolio

$($as measured by the Standard and Poor's $500$ Index$),$ and U$.$S$.$ Treasure bills $($T$-$bills$)$

during the past eight years.

Calculate the Treynor measure for both Portfolio $x.$

Calculate the Sharpe measure for both Portfolio X$.$

Calculate the Treynor measure for the S &P $500.$

Calculate the Sharpe measure for the S&P $500.$