Fragile Inc.$\text{'}$s bonds currently sell for $$1,140$ and have a par value of $$1,000.$ They pay a $$85$ annual coupon and have $18$ years left to maturity. What is their yield to maturity?

A$.9\mathrm{.}44\%$

B$.9\mathrm{.}07\%$

C$.8\mathrm{.}72\%$

D$.8\mathrm{.}39\%$

E$.8\mathrm{.}07\%$

F$.7\mathrm{.}77\%$

G$.7\mathrm{.}47\%$

H$.7\mathrm{.}10\%$