Periodic and Perpetual Systems-Calculating Ending Inventory and Cost of Sales Using Average Cost (Moving Average), FIFO, and LIFO Undew Inc.'s inventory records showed the following data for an item it sells regularly. a. Assuming that Undew maintains a periodic inventory system, compute ending inventory and cost of goods sold for the month ending January 31 using (1) average cost, (2) FIFO, and (3) LIFO. b. Assuming that Undew maintains a perpetual inventory system, compute ending inventory and cost of goods sold for the month ending January 31 using (1) moving average, (2) FIFO, and (3) LIFO. 3. LIFO (perpetual) - Note: Do not use negative signs with any of your answers. -Note: On each date, list the inventory units in chronological order based on their purchase date with beginning inventory, if any, listed first. (2) FIFO (perpetual) - Note: Do not use negative signs with any of your answers. - Note: On each date, list the inventory units in chronological order based on their purchase date with beginning inventory, if any, listed first. \begin{tabular}{|l|r|} \hline \multicolumn{2}{|c|}{ Moving average (perpetual) } \\ \hline Cost of goods available for sale & $309,200 \\ \hline Ending Inventory & 67,680 \\ \hline Cost of goods sold & $241,520 \\ \hline \end{tabular}