The one$-$year interest rate over the next five years are expected to be $5\%,6\%,7\%,8\%,$ and $9\%.$ As per the expectation theory of

term structure, what is the interest rate on two$-$year bond?

$$ A$.11\%$

O $.7\%$

$$ C$.6\mathrm{.}5\%$

$$ D$.5\mathrm{.}5\%$