Date Explanation Units Unit Cost Total Cost May 1 Inventory 30 $8 $240 15 Purchase 25 11 275 24 Purchase 39 13 507 Total 94 $1.022 Calculate the ending inventory at May 31 using the FIFO, LIFO and average-cost methods. (Round average unit cost to 2 decimal places, eg. 2.51 and final answers to O decimal places, eg. 125.) FIFO LIFO AVERAGE-COST Ending inventory at May 31 120 1533