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