The Records of Weight Unlimited Showed the Following for June

The records of Weight Unlimited showed the following for June: $\begin{array}{|l|l|}\hline \text { Sales } & 2,100 \text { units at } \$ 100 \text { each } \\\hline \text { Purchases } & 2,000 \text { units at } \$ 75 \text { each } \\\hline \text { Beginning inventory } & 3,000 \text { units at } \$ 56 \text { each } \\\hline\end{array}$
Assuming the periodic inventory system is used complete the following tabulation. $\begin{array} { | l | l | l | } \hline & \text { FIFO } & \text { Weighted Average } \\\hline \text { (1) Sales } & \$ & \$ \\\hline \text { (2) Cost of goods sold } & \$ & \$ \\\hline \text { (3) Gross margin } & \$ & \$ \\\hline \text { (4) Ending inventory } & \$ & \$ \\\hline\end{array}$