Trey Monson starts a merchandising business on December 1 and enters into the following three inventory purchases. Monson uses a periodic inventory system. Also, on December 15, Monson sells 29 units for $45 each. \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|} \hline \multicolumn{11}{|c|}{ Periodic FIFO: } \\ \hline & \multicolumn{3}{|c|}{ Goods Available for Sale } & \multicolumn{3}{|c|}{ Cost of Goods Sold } & \multicolumn{4}{|c|}{ Ending Inventory } \\ \hline & \# of units & Costperunit & CostofGoodsAvailableforSale & #ofunitssold & Costperunit & CostofGoodsSold & #ofunitsinendinginventory & & periit & EndingInventory \\ \hline \multicolumn{11}{|l|}{ Purchases: } \\ \hline December 7 & & & & & & & 0 & & & \\ \hline December 14 & & & & & & & & $ & 0.00 & \\ \hline December 21 & & & & & & & & & 0.00 & \\ \hline Total & & & & & & & & & & \\ \hline \end{tabular}