TravelEasy Inc. has issued $30-$year semiannual coupon bonds with a face value of $$1,000.$ These bonds are currently selling for $$1,543\mathrm{.}19.$ If the current yield to maturity is $9\mathrm{.}5\%,$ what is the coupon rate on these bonds? Round to the nearest percent.

$12\%$

$15\%$

$13\%$

$11\%$

$14\%$