(a) Compute the ending inventory at September 30 using the FIFO, LIFO and average-cost methods. (Round overage cost per unit to 3 decimal places, e.s. 125.153 and final answers to 0 decimal places, e.s. 125.) (b) Compute the cost of goods sold at September 30 using the FIFO, L.FO 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.) Bridgeport Corp. sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Bridgeport Corp.'s purchases of EZslide snowboart's during September. During the same month. 102 EZslide snowboards weresold. Bridgeport Corp. 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 unit to 3 decimal places, e.s. 125.153 and final answers to 0 decimal places, e.g. 125.)