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Carla Vista Co. sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Carla 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. (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 0 decimal places, e.g. 125.) (b) Compute the cost of goods sold at September 30 using the FIFO, LIFO and average-cost methods. (Round average cost per decimal places, e.g. 125.153 and final answers to 0 decimal places, e.g. 125.)