Your answer is partially correct. Waterway Corp. sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Waterway Corp.'s purchases of EZslide snowboards during September. During the same month, 108 EZslide snowboards were sold. Waterway Corp. uses a periodic inventory system. Date Explanation Units Unit Cost Total Cost $110 $1,100 Sept. 1 Inventory 10 113 Sept. 12 Purchases 53 5,989 Purchases 6,156 Sept. 19 54 114 Purchases Sept. 26 23 115 2,645 $15,890 Totals 140 (a) Compute the ending inventory at September 30 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 LIFO AVERAGE-COST $ The ending inventory at September 30 3,680 3,520 3,632