West Corporation issued $16-$year bonds $2$ years ago at a coupon rate of $9\mathrm{.}5$ percent. The bonds make semiannual payments. If these bonds currently sell for $99$ percent of par value, what is the YTM$?$

Multiple Choice

$10\mathrm{.}59\%$

$11\mathrm{.}56\%$

$9\mathrm{.}63\%$

$4\mathrm{.}82\%$

$8\mathrm{.}67\%$