Suppose we have the following returns for large$-$company stocks and Treasury bills over a six$-$year period:

$\backslash$table$[[$Year$,\backslash$table$[[$Large$-],[$Company$],[$stocks$]],\backslash$table$[[$US Treasury$],[$bills$]]],[1,3\mathrm{.}70\%,4\mathrm{.}78\%$