Elsa?s Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Elsa?s purchases of Xpert snowboards during September is shown below. During the same month, 121 Xpert 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. -For both FIFO and LIFO, calculate the sum of ending inventory and cost of goods sold.