Required information [The following information applies to the questions displayed below.] Warnerwoods Company uses a periodic inventory system. It entered into the following purchases and sales transactions for March. For specific identification, units sold include 90 units from beginning inventory, 370 units from the March 5 purchase, 80 units from the March 18 purchase, and 160 units from the March 25 purchase. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c) weighted average, and (d) specific identification. Round your "average cost per unit" to 2 decimal places. 4. Compute gross profit earned by the company for each of the four costing methods. Note: Round your average cost per unit to 2 decimal places and final answers to nearest whole dollar. a) Periodic FIFO \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|} \hline & \multicolumn{2}{|c|}{ Cost of Goods Available for Sale } & \multicolumn{2}{|c|}{ Cost of Goods Sold } & \multicolumn{3}{|c|}{ Ending Inventory } \\ \cline { 2 - 9 } & \# of units & \begin{tabular}{c} Cost per \\ unit \end{tabular} & \begin{tabular}{c} Cost of \\ Goods \\ Available \\ for Sale \end{tabular} & \begin{tabular}{c} \# of units \\ sold \end{tabular} & \begin{tabular}{c} Cost per \\ unit \end{tabular} & \begin{tabular}{c} Cost of \\ Goods \\ Sold \end{tabular} & \begin{tabular}{c} \# of units in \\ ending \\ inventory \end{tabular} & \begin{tabular}{c} Cost per \\ unit \end{tabular} & \begin{tabular}{c} Ending \\ Inventory \end{tabular} \\ \hline Beginning inventory & & & & & & & & & \\ \hline Purchases: & & & & & & & & & \\ \hline March 5 & & & & & & & & & \\ \hline March 18 & & & & & & & & & \\ \hline March 25 & & & & & & & & & \\ \hline Total & & & & & & & \\ \hline \end{tabular} b) Periodic LIFO \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|} \hline & \multicolumn{2}{|c|}{ Cost of Goods Available for Sale } & \multicolumn{2}{|c|}{ Cost of Goods Sold } & \multicolumn{2}{|c|}{ Ending Inventory } \\ \cline { 2 - 9 } & \# of units & \begin{tabular}{c} Cost per \\ unit \end{tabular} & \begin{tabular}{c} Cost of \\ Goods \\ Available \\ for Sale \end{tabular} & \begin{tabular}{c} \# of units \\ sold \end{tabular} & \begin{tabular}{c} Cost per \\ unit \end{tabular} & \begin{tabular}{c} Cost of \\ Goods \\ Sold \end{tabular} & \begin{tabular}{c} \# of units in \\ ending \\ inventory \end{tabular} & \begin{tabular}{c} Cost per \\ unit \end{tabular} & \begin{tabular}{c} Ending \\ Inventory \end{tabular} \\ \hline Beginning inventory & & & & & & & & & \\ \hline Purchases: & & & & & & & & & \\ \hline March 5 & & & & & & & & & \\ \hline March 18 & & & & & & & & & \\ \hline March 25 & & & & & & & & \\ \hline Total & & & & & & & & \\ \hline \end{tabular}