Concord sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Concord's purchases of EZslide snowboards during September. During the same month, 102 EZslide snowboards were sold. Concord uses a periodic inventory system. Units Date Sept. 1 Sept. 12 Sept. 19 Sept. 26 Unit Cost $116 119 Explanation Inventory Purchases Purchases Purchases Totals 13 43 50 21 127 Total Cost $ 1,508 5.117 6,000 2.541 $15.166 120 121 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, e.g. 15.647 and final answers to decimal places, e.g. 5,125.) FIFO LIFO Average-cost The ending inventory at September 30 $ $ $ Cost of goods sold $ $ $