Unbiased Expectations Theory One$-$year Treasury bills currently earn $5\mathrm{.}15$ percent. You expect that one year from now, one$-$year Treasury bill rates will increase to $5\mathrm{.}30$ percent. If the unbiased expectations theory is correct, what should the current rate be on two$-$year Treasury securities$?$

Multiple Choice

$5\mathrm{.}3000\%$

$5\mathrm{.}1500\%$

$10\mathrm{.}4500\%$

$5\mathrm{.}2250\%$