ercise 6-5 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 May 1 Inventory 27 $9 $243 15 Purchase 27 10 270 24 Purchase 34 11 374 Total 88 $887 Calculate the weighted-average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Weighted-average unit cost $Enter the Weighted-average unit cost in dollars Calculate the ending inventory at May 31 using the FIFO, LIFO and average-cost methods. (Round answers to 0 decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST The ending inventory at May 31 $Enter a dollar amount $Enter a dollar amount $Enter a dollar amount