Using the Bond Below, What Was Yesterday's Close in Dollars

Short Answer

Using the bond below, what was yesterday's close in dollars?
$$\begin{array} { | l | l | l | l | l | } \hline \text { Bond } & \text { Current Yield } & \text { Vol } & \text { Close } & \text { Net Change } \\\hline \text { NDon }7\frac {\text { 1}} { \text {2 } }\quad23 & & 12 & 67.50 & - 8 \\\hline\end{array}$$