help both tabs please!

Calculate ending inventory and COGS using (a) FIFO, (b) LIFO \& (c) weighted average. \begin{tabular}{|l|l|l|l|} \hline Income Statement: & FIFO & LIFO & WA \\ \hline & & & \\ \hline & & & \\ \hline & & & \\ \hline & & & \\ \hline & & & \\ \hline & & & \\ \hline & & & \\ \hline \end{tabular} a How many units did we sell? Between FIFO and LIFO, which method is preferable in terms of maximizing income? Which ones did we sell? Between FIFO and LIFO, which method is preferable in terms of minimizing income taxes? How many units remain? \begin{tabular}{|l|l|l|l|} \hline & & & \\ \hline & & & \\ \hline \end{tabular} b How many units did we sell? Which ones did we sell? \begin{tabular}{|l|l|l|l|} \hline & & & \\ \hline & & & \\ \hline & & & \\ \cline { 3 - 4 } & & & \\ \hline \end{tabular} How many units remain? \begin{tabular}{|l|l|l|l|} \hline & & & \\ \hline & & & \\ \hline \end{tabular} c What is the average cost of one unit? \begin{tabular}{|l|l|l|l|} \hline & & Units & Unit Cost \\ \hline & & & \\ \hline & & & \\ \hline \end{tabular} Average Cost How many units did we sell? COGS How many units remain? Ending Inventory LIFO Perpetual 3132 LIFO