Sheffield sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Sheffield's purchases of EZslide snowboards during September. During the same month, 97 EZslide snowboards were sold. Sheffield uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 12 $92 $ 1,104 Sept. 12 Purchases 43 95 4,085 Sept. 19 Purchases 50 96 4,800 Sept. 26 Purchases 19 97 1,843 Totals 124 124 $ 11,832 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 $ $ $ $ Cost of goods sold $ $ TA CA $