What is the yield to maturity of a eight$-$year, $$10,000$ bond with a $4\mathrm{.}9\%$ coupon rate and semiannual coupons if this bond is currently trading for a price of $$9,766?$

A$.7\mathrm{.}37\%$

B$.6\mathrm{.}31\%$

C$.2\mathrm{.}63\%$

D$.5\mathrm{.}26\%$