Eeries Herbor Company uses a periodic inventory system. The company's records show the beginning inventory of product no. Ti2 on January I and the purchases of this item during the cui rent year to be as follows: Jan. 1 Beginning inventory. Feb 23 Purchase .... Apr. 20 Purchase May 4 Purchase Nov. 30 Purchase Totals 900 units .$10.00 $9,000 1,200 units O $11.00- 13,200 3.000 units O $11.20 33,600 4,000 units O $11.60 46,400 900 units $13.00 11.200 10,000 units $113.900 . A physical count indicates 1,600 units in inventory at year-end. Determine the cost of the ending inventory, based on cach of the following methods of inven- tory valuation. (Remember to use periodic inventory costing procedures.) Average cost FIFO C LIFO Which of the above methods (if any) results in the same ending inventory valuation under both periodic and perpetual costing procedures? Explain