Question 6 Ballas Co. uses a periodic inventory system. Its records show the following for the month of May, in which 146 units were sold. Unit Cost $13 16 17 Units May 1 Inventory64 15 Purchases 54 24 Purchases 75 Totals 193 Total Cost $832 864 1,275 $2,971 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 Cost of goods sold