Fiorella Company's bonds currently sell for $$1,179$ and have a par value of $$1,000.$ They pay a $10\mathrm{.}50$ percent annual coupon rate and have a $15-$year maturity, but they can be called in $7$ years at $$1,100.$ What is their yield to call $($YTC$)?$

$6\mathrm{.}89\%$

$6\mathrm{.}10\%$

$7\mathrm{.}48\%$

$6\mathrm{.}21\%$

$8\mathrm{.}16\%$