Waterway Co.uses a periodic inventory system. Its records show the following for the month of May, in which 75 units were sold. Unit Cost Total Cost Units May 1 Inventory 36 $6 $216 15 Purchases 29 9 261 24 Purchases 32 10 320 Totals 97 $797 Compute the ending inventory at May 31 and cost of goods sold using the FIFO and LIFO methods. FIFO LIFO Ending inventory at May 31 $ 220 13 Cost of goods sold $ $ 797 e Textbook and Media Save for Later Attempts: 6 of 10 used Submit Answe