What is the coupon rate of a nine$-$year, $$10,000$ bond with semiannual coupons and a price of $$9,117\mathrm{.}89,$ if it has a yield to maturity of $6\mathrm{.}7\%?$

$$ A$.7\mathrm{.}531\%$

$$ B$.5\mathrm{.}379\%$

$$ C$.4\mathrm{.}303\%$

$$ D$.6\mathrm{.}455\%$