REI sells snowboards. Assume the following information relates to REl's purchases of snowboards during September. During the same month, 106 snowboards were sold. REI uses a periodic inventory system. Your answer is partially correct. Compute the ending inventory at September 30 using FIFO, LIFO, and average-cost, (Round average cost per unit to 3 decimal places, e., 125.153 and final answers to 0 decimal places, e.8. 125.) Your answer is incorrect. Compute the cost of goods sold for the month using the FIFO, LIFO, and averago-cost methods. (Round average cost per unit to 3 decimal places, e.8. 125.153 and final answers to 0 decimal places, e.8. 125.)