Cheyenne Corp. uses a periodic inventory system. Its records show the following for the month of May, in which 76 units were sold. Date Units Unit Cost $9 Total Cost $288 May 1 15 Explanation Inventory Purchase Purchase 32 28 10 280 24 40 11 440 Total 100 $1,008 Calculate the weighted-average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Weighted average unit cost $ 10.08 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 $ $ $