Monty sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Monty's purchases of EZslide snowboards during September. During the same month, 100 EZslide snowboards were sold. Monty uses a periodic inventory system. Date Explanation Inventory Purchases Units 11 45 Unit Cost $93 96 Sept. 1 Sept. 12 Sept. 19 Sept. 26 Total Cost $ 1.023 4,320 4,850 2,058 Purchases 50 97 Purchases 98 21 127 Totals $12.251 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, e.g. 5,125.) FIFO LIFO Average-cost $ $ $ The ending inventory at September 30 Cost of goods sold $ $