11- Noor Co. uses a periodic inventory system. Its records show the following for the month of May, in which 65 units were sold. Date Explanation Units Unit Cost Total Cost May 1 Inventory 30 $8 $240 15 Purchases 25 11 275 24 Purchases 35 12 420 Totals 90 $935 Instructions: Compute the ending inventory at May 31 and cost of goods sold using the FIFO and LIFO methods. Prove the amount allocated to cost of goods sold under each method