Waterway Corp. sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Waterway Corp.'s purchases of EZ slide snowboards during September. During the same month, 108 EZslide snowboards were sold. Waterway Corp. uses a periodic inventory system. Date Units Unit Cost Total Cost 1,100 5,989 Sept. 1 Sept. 12 Sept. 19 Sept. 26 Explanation Inventory Purchases Purchases Purchases Totals 6,156 $15,890 (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,.. 125.153 and final answers to O decimal places, e.g. 125.) DARE.ROST 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 EZ slide snowboards were sold. Waterway Corp. uses a periodic inventory system Date Sept. 1 Sept. 12 Sept. 19 Sept. 26 Explanation Inventory Purchases Purchases Purchases Unit Cost $110 113 Total Cost $ 1,100 5,989 6,156 2,645 $15,890 Totals (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, eg. 125,153 and final answers to o decimal places, e.g. 125.) FIFO AVERAGE-COST The ending Inventory at September 30 3632 (b) Compute the cost of goods sold at September 30 using the FIFO, LIFO and average cost methods. (Round average cost per unit to 125.153 and Final answers to o decimal places, e.g. 125.) decimal places, .. FIFO AVERAGE-COST ost of goods sold 1 12219 1 123041 15890