A $4\%$ coupon bond has a par value of $$1,000$ and $8$ years remaining until maturity. Coupons are paid semi$-$annually. Your required rate of return $($as an annualized number$)$ is $7\mathrm{.}0\%,$ and the bond's price is $$733.$ What is the Net Present Value $($NPV$)$ of purchasing one bond today?