Compute the ending inventory at September 30 using FIFO, LFO, and average cost (Round overege cost per unit to 3 decimal ploces, es, 125.153 and final arswers to 0 decimal places eg. 125.) Compute the cost of goods sold for the month using the FIFO, LIFO, and average-cost methods. (Round averoge cost per unit to 3 decimel ploosi es. 125.153 and final arswers to 0 decimal places, es. 125)