Carla Vista Co. sells a snowboard, Ezslide, that is popular with snowboard enthusiasts Below is information relating to Carta Vista Co.'s purchases of EZslide snowboards during September. During the same month 106 Ezslide snowboards were sold. Carla Vista Co. uses a periodic Inventory system Date Explanation Units Unit Cost $100 Sept. 1 15 Inventory Purchases Total Cost $1,500 4,326 Sept. 12 42 103 Sept. 19 Purchases 57 104 5,928 Sept. 26 Purchases 21 105 2.205 Totals 135 $13,959 (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.3. 125.153 and final answers to decimal places, c.8. 125.) FIFO LIFO AVERAGE-COST The ending Inventory at September 30 (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, es, 125,153 and final answers to decimal places, es 125.) FIFO LIFO AVERAGE-COST The ending inventory at September 30 (b) Compute the cost of goods sold at September 30 using the FIFO, LIFO and average cost methods. (Round average cost per unit to 3 decimal places, es. 125.153 and final answers to 0 decimal places, es. 125.) FIFO LIFO AVERAGE-COST Cost of goods sold $ $ e Textbook and Media