Investment

Average Return

Small Stocks

$23\mathrm{.}2\%$

S$$& $$P $500$

$13\mathrm{.}2\%$

Corporate Bonds

$7\mathrm{.}5\%$

Treasury Bonds

$6\mathrm{.}2\%$

Treasury Bills

$4\mathrm{.}8\%$

What is the excess return for the portfolio of small$$ stocks?