The real risk$-$free rate is $3\mathrm{.}05\%,$ inflation is expected to be $2\mathrm{.}75\%$ this year, and the maturity risk premium is zero. Ignoring any cross$-$product terms, what is the equilibrium rate of return on a $1-$year Treasury

bond?

$5\mathrm{.}51\%$

$5\mathrm{.}80\%$

$6\mathrm{.}09\%$

$6\mathrm{.}39\%$

$6\mathrm{.}71\%$