REI sells snowboards. Assume the following information relates to REI's purchases of snowboards during September. During the same month, 107 snowboards were sold. REI uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 13 $110 $1,430 Sept. 12 Purchases 49 113 5,537 Sept. 19 Purchases 53 114 6,042) Sept. 26 Purchases Totals 135 335 20 115 2,300 $15,309 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, e.g. 125.) Ending inventory at September 30 eTextbook and Media FIFO LIFO $ AVERAGE-COST 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, eg. 125.153 and final answers to O decimal places, eg. 125) FIFO LIFO AVERAGE-COST