Question 3 of 8 -/1 E REI sells snowboards. Assume the following information relates to REI's purchases of snowboards during September. During the same month, 102 snowboards were sold. REI uses a periodic inventory system. Date Sept. 1 Explanation Units Unit Cost Total Cost Inventory 12 $102 $1.224 Sept. 12 Purchases 45 105 4,725 Sept. 19 Purchases 57 106 6,042 Sept. 26 Purchases 24 107 2,568 Totals 138 $14,559 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.) FIFO LIFO AVERAGE-COST