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Kingbird sells a snowboard, EZslide that is popular with snowboard enthusiasts. The following is information relating to Kingbird's beginning inventory and purchases of EZslide snowboards during September. During the same month, 105 EZslide snowboards were sold. Kingbird uses a periodic inventory system. Date Sept 1 Sept. 12 Sept. 19 Sept. 26 Explanation Inventory Purchases Purchases Purchases Totals Units 12 43 52 19 126 Unit Cost $118 121 122 123 Total Cost $ 1.416 5,203 6,344 2,337 $15.300 Compute the ending inventory at September 30 and the cost of goods sold using the FIFO.LIFO, and average-cost methods. (Round per unit cost to 3 decimal places, eg, 15.647 and final answers to decimal places, 68.5,125) FIFO LIFO Average-cost $ $ The ending inventory at September 30 Cost of goods sold $