Elsa's Boards sells a snowboard, X pert, that is popular with snowboard enthusiasts. Information relating to Elsa's purchases of X pert snowboards during September is shown below. During the same month, 244 X pert snowboards were sold. Elsa's uses a periodic inventory system. Compute the ending inventory at September 30 and cost of goods sold using the FIFO and LIFO methods. The ending inventory at September 30 $ $ Cost of goods sold $ $ For both FIFO and LIFO, calculate the sum of ending inventory and cost of goods sold. The sum of ending inventory and cost of goods sold