Inventory Methods under a Perpetual Inventory System Fabin incis inventory records show the following data for purchases and sales of unis. Assuming that Robin maintains a perpetuat inventory system, compute ending inventory on May 31 under (1) moving average, (2) FiFO, and (P) UFO. (1) Moving Averape (perpetual inventory systemi. *Note: Do nos use negative signs with any of your answers. (2) FiFO Perpetval *Note:-Do not use negative signs with any of your answers. *Note tist the irventory unils in chronological order based on their purchase dute with beginining immentory, if any, isted first. \begin{tabular}{|c|c|c|} \hline Cos of goods available for sale & \$ & 0 \\ \hline Ending inventory & & 0 \\ \hline cogs & 5 & 0 \\ \hline \end{tabular} (3) LIFO (perpetual inwentory system). - Note: Do not use negative signs with any of your answers. -Note: List the inventory units in chronological order based on their purchase date with beginning inventory, if any, listed first