What Is the Rate of Interest on This Bond

Short Answer

What is the rate of interest on this bond?
$$\begin{array} { | l | l | l | l | l | } \hline \text { Bond } & \text { Current Yield } & \text { Vol } & \text { Close } & \text { Net Change } \\\hline \text { HWL } 8\frac {\text { 1}} { \text {2 } }\quad23& & 12 & 67.75 & + 7 \\\hline\end{array}$$