Problem $12-22$ Calculating Returns $[$LO$2,3]$

Suppose we have the following Treasury bill returns and inflation rates over an eightyear period:

$\backslash$table$[[$Year$,\backslash$table$[[$Treasury$],[$bills$]],$Inflation$],[1,9\mathrm{.}87\%,11\mathrm{.}87\%$