Blossom sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Blossom's beginning inventory and purchases of EZslide snowboards during September. During the same month, 98 EZslide snowboards were sold. Blossom uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 13 $93 $ 1,209 Sept. 12 Purchases 46 96 4,416 Sept. 19 Purchases 52 97 5,044 Sept. 26 Purchases 19 98 1,862 Totals 130 $12,531 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 0 decimal places, eg. 5,125.)