Rollins, Incorporated, has a $15-$year bond issue with a coupon rate of $4\mathrm{.}5$ percent that matures in $11\mathrm{.}5$ years. The bonds have a par value of $$1,000$ and a market price of $$1,105\mathrm{.}50.$ Interest is paid semiannually. What is the current yield?

$3\mathrm{.}38\%$

$1\mathrm{.}69\%$

$4\mathrm{.}07\%$

$2\mathrm{.}52\%$

$1\mathrm{.}79\%$