$($Real interest$$ rates: approximation method$)$ The CFO of your firm has asked you for an approximate answer to this$$ question: What was the increase in real purchasing power associated with both$3-$month Treasury bills and$30-$year Treasury$$ bonds? Assume that the current$3-$month Treasury bill rate is $4\mathrm{.}344\mathrm{.}34\%,$ the$30-$year Treasury bond rate is $7\mathrm{.}33\%7\mathrm{.}33\%,$ and the inflation rate is $2\mathrm{.}782\mathrm{.}78\%.$Also$,$ the chief financial officer wants a short explanation should the$3-$month real rate turn out to be less than the$30-$year real rate.