need help with both, thanks so much!

Exercise 6-5 Xiong Co. uses a periodic inventory system. Its records show the following for the month of May, in which 124 units were sold. Unit Cost $10 13 14 Total Cost Units 57 48 67 172 $570 May 1Inventory 15 Purchases 24 Purchases 624 938 $2,132 Totals 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