Your answer is incorrect Pearl Industries uses a periodic inventory system. Its records show the following for the month of May, in which 76 units were sold. Date Explanation Units Unit Cost Total Cost Inventory May 1 27 $9 $243 15 Purchase 27 11 297 24 Purchase 34 442 13 Total 88 $982 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 decimal places, eg. 125.) FIFO LIFO AVERAGE-COST $ Ending inventory at May 31