Oriole Company sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Oriole Company's purchases of Ezslide snowboards during September. During the same month, 109 EZslide snowboards were sold. Oriole Company uses a periodic inventory system. Date Units Unit Cost $102 105 Sept. 1 Sept. 12 Sept. 19 Sept. 26 Explanation Inventory Purchases Purchases Purchases Totals 14 48 50 Total Cost $ 1,428 5,040 5,300 2.461 $14,229 106 107 23 135 (a) Compute the ending inventory at September 30 using the FIFO, LIFO and average-cost methods. (Round average cost per unit to 3 decimal places, e.g. 125.153 and final answers to O decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST The ending inventory at September 30 $ $ (b) Compute the cost of goods sold at September 30 using the FIFO, LIFO and average-cost methods. (Round average cost per unit to 3 decimal places, e.g. 125.153 and final answers to O decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST Cost of goods sold $