Using the above information, fill out the box.

\begin{tabular}{lcc} & Number of Units & Cost per Unit \\ Opening inventory, May & 8 & $550 \\ Purchase, May 5 & 50 & $560 \\ Purchase, May 8 & 10 & $575 \\ Sale, May 15 & 15 & \\ Purchase, May 22 & 12 & $572 \\ Sale, May 25 & 23 & \\ Closing inventory, May 3: & 42 & \end{tabular} \begin{tabular}{|c|c|c|c|c|} \hline Date & Purchase & Sale & Balance & \begin{tabular}{c} Balance \\ of In \end{tabular} \\ \hline May 1 & & & 8$550=$4,400 & 8 \\ \hline May 5 & & & & \\ \hline May 8 & & & & \\ \hline May 15 & & & & \\ \hline May 22 & & & & \\ \hline May 25 & & & & \\ \hline \end{tabular} \begin{tabular}{lcc} & Number of Units & Cost per Unit \\ Opening inventory, May & 8 & $550 \\ Purchase, May 5 & 50 & $560 \\ Purchase, May 8 & 10 & $575 \\ Sale, May 15 & 15 & \\ Purchase, May 22 & 12 & $572 \\ Sale, May 25 & 23 & \\ Closing inventory, May 3: & 42 & \end{tabular} \begin{tabular}{|c|c|c|c|c|} \hline Date & Purchase & Sale & Balance & \begin{tabular}{c} Balance \\ of In \end{tabular} \\ \hline May 1 & & & 8$550=$4,400 & 8 \\ \hline May 5 & & & & \\ \hline May 8 & & & & \\ \hline May 15 & & & & \\ \hline May 22 & & & & \\ \hline May 25 & & & & \\ \hline \end{tabular}