what is the average of these numbers?

Coster Per Story: - Per Square Foot =$95$275 - Total Cost =$3.4M$3.9M $3.4M$3.9M \begin{tabular}{|c|c|} \hline & \begin{tabular}{l} Cost Per Unit: \\ - Number of Units: 6 units \\ - Building Cost: $3.6M$17.7M \end{tabular} \\ \hline 3.6M$17.7M & \\ \hline \end{tabular} Coster Per Story: - Per Square Foot =$95$275 - Total Cost =$3.4M$3.9M $3.4M$3.9M \begin{tabular}{|c|c|} \hline & \begin{tabular}{l} Cost Per Unit: \\ - Number of Units: 6 units \\ - Building Cost: $3.6M$17.7M \end{tabular} \\ \hline 3.6M$17.7M & \\ \hline \end{tabular}