Consider a $9-$year, $6\%$ coupon that has a yield to maturity of $7\%.$ Calculate the bond's price if the bond has a face value of $$1000$ and pays coupons every four months.

$$1,000\mathrm{.}00$

$$973\mathrm{.}22$

$$933\mathrm{.}64$

$$933\mathrm{.}78$