Show Attempt History Current Attempt In Progress Cullumber Company uses a periodic inventory system. Its records show the following for the month of May, in which 74 units were sold Date Units Unit Cost Total Cost May 1 Explanation Inventory Purchase 34 $9 $ 306 15 26 10 260 24 Purchase 40 11 440 Total 100 $1,006 Calculate the welghted average unit cost. (Round answer to 3 decimal places, eg, 5.125) Weighted average unit cost 261.56 eTextbook and Media x ur ans incorrect Calculate the ending inventory at May 31 using the FIFO, LIFO and average cost methods. (Round answers to decimal places, eg 125) FIFO LIFO AVERAGE-COST The ending inventory at May 31