Metlock sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Metlock's purchases of EZslide snowboards during September. During the same month, 101 EZslide snowboards were sold. Metlock uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 12 $81 $972 Sept. 12 Purchases 43 84 3,612 Sept. 19 Purchases 51 85 4,335 Sept. 26 Purchases 18 86 1,548 Totals 124 $10,467 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.) The ending inventory at $ September 30 Cost of goods sold $ eTextbook and Media FIFO $ LIFO Average-cost $