The fixed income markets are currently anticipating lower inflation in the future and potentially fed funds interest rate cuts. If the current $1-$ year Treasury yield is $5\mathrm{.}25\%$ and the $1-$year Treasury yield one year from now is $4\mathrm{.}00\%.$ Using the expectations theory determine what the current $2-$year Treasury yield is$.$

$4\mathrm{.}63\%$

$5\mathrm{.}08\%$

$5\mathrm{.}33\%$

$4\mathrm{.}25\%$