REI sells snowboards. Assume the following information relates to REI's purchases of snowboards during September. During the same month, 103 snowboards were sold. REI uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Sept. 12 Inventory 14 $110 $1,540 Purchases 50 113 5,650 Sept. 19 Purchases 54 114 6.156 Sept. 26 Purchases 22 115 2,530 Totals 140 $15,876 Your answer is partially correct. Compute the ending inventory at September 30 using FIFO. LIFO, and average-cost. (Round average cost per unit to 3 decimal places, eg. 125.153 and final answers to O decimal places, eg. 125) Ending inventory at September 30 FIFO 4240 $ LIFO AVERAGE-COST 4185 $ 42125 * Your answer is incorrect. Compute the cost of goods sold for the month using the FIFO, LIFO, and average-cost methods. (Round average cost per unit to 3 decimal places, e.g. 125.153 and final answers to O decimal places, e.g. 125.) FIFO Cost of goods sold $ eTextbook and Media LIFO AVERAGE-COST