Beginning inventory, purchases, and sales data for tennis rackets are as follows: \begin{tabular}{rll} April 3 & Inventory & 21 units @ \$16 \\ 11 & Purchase & 17 units @ \$14 \\ 14 & Sale & 25 units \\ 21 & Purchase & 9 units @ \$17 \\ 25 & Sale & 15 units \end{tabular} \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|} \hline Date & \begin{tabular}{c} Purchases \\ Qty \end{tabular} & \begin{tabular}{c} Purchases \\ Unit Cost \end{tabular} & \begin{tabular}{l} Purchases \\ Total Cost \end{tabular} & \begin{tabular}{c} Cost of \\ Goods Sold \\ Qty \end{tabular} & \begin{tabular}{c} Cost of \\ Goods Sold \\ Unit Cost \end{tabular} & \begin{tabular}{c} Cost of \\ Goods Sold \\ Total Cost \end{tabular} & \begin{tabular}{c} Inventory \\ Qty \end{tabular} & \begin{tabular}{c} Inventory \\ Unit Cost \end{tabular} & \begin{tabular}{l} Inventory \\ Total Cost \end{tabular} \\ \hline April 3 & & & & & & & 21 & 16 & 336 \\ \hline 11 & 17 & 14 & 238 & & & & 21 & 16 & 336 \\ \hline 14 & & & & 21 & 16 & $ & & $ & $ \\ \hline 21 & 9 & 17 & 153 & & & & & $ & $ \\ \hline 25 & & & & & $ & $ & & $ & $ \\ \hline Balances & & & & & & $ & & & $ \\ \hline \end{tabular}