Wildhorse sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Wildhorse's purchases of EZslide snowboards during September. During the same month, 103 EZslide snowboards were sold. Wildhorse uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 11 $102 $1,122 Sept. 12 Purchases 45 105 4,725 Sept. 19 Purchases 48 106 5,088 Sept. 26 Purchases 22 107 2,354 Totals 126 $13,289 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 O decimal places, e.g. 5,125) The ending inventory at September 30 Cost of goods sold FIFO LIFO $ Average-cost