A $$1,000$ par value bond has a current price of $$756\mathrm{.}78$ and a maturity value of $$1,000$ and matures in $7$ years. If interest is paid semiannually and the bond is priced to yield $8\%,$ what is the bond's annual coupon rate?

The bond's annual coupon rate is $\%.($Round to three decimal places.$)$