A $10-$year bond has a $$1,000$ face value, a market price of $$1,045,$ and pays $7\mathrm{.}45\%$ semi$-$annual coupon. What is the Yield to maturity of this bond?

A$.7\mathrm{.}45\%$

B$.6\mathrm{.}82\%$

C$.7\%$

D$.6\mathrm{.}81\%$