Whispering Winds Corp. uses a periodic inventory system. Its records show the following for the month of May, in which 98 units were sold Unit Units Cost Total Cost May 1 Inventory 45 15 Purchases 38 $9 12 $405 456 24 Purchases 5 13 689 Totals 136 $1,550 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 1,208 895 Cost of goods sold 342 655