Current Attempt in Progress Windsor sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Windsor's beginning inventory and purchases of EZslide snowboards during September. During the same month, 104 EZslide snowboards were sold. Windsor uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 11 $100 $1,100 Sept. 12 Purchases 46 103 4,738 Sept. 19 Purchases 51 104 5,304 Sept. 26 Purchases 18 105 1,890 Totals 126 $13,032 Average-cost 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 1A FIFO +A LA $ LIFO LA LA