Tamarisk sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Tamarisk's beginning inventory and purchases of EZslide snowboards during September. During the same month, 101 EZslide snowboards were sold. Tamarisk uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 11 $ 109 $ 1,199 Sept. 12 Purchases 46 112 5,152 Sept. 19 Purchases 52 113 5,876 Sept. 26 Purchases 19 114 2,166 Totals 128 $ 14,393 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 O decimal places, e.g. 5,125.) FIFO LIFO Average-cost The ending inventory at September 30 $ 8,042 $ 6,351 $ Cost of goods sold $ $ $