(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 O decimal places, e.g. 125.) The ending inventory at September 30 using the FIFO The ending inventory at September 30 using the LIFO The ending inventory at September 30 using the average-cost : 12162j $ 124741] 123181] (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.g. 125.153 and final answers to O decimal places, e.g. 125.) FIFOLIFO AV[RAGE-COST.......... Cost of goods sold J 327611 J 296411 J 31201] Delmott sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Below is information relating to Delmott?s purchases of Xpert snowboards during September. During the same month, 102 Xpert snowboards were sold. Delmott uses a periodic inventory system