Current Attempt in Progress Cheyenne sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is informal beginning inventory and purchases of EZslide snowboards during September. During the same month, 104 sold. Cheyenne uses a periodic inventory system. Compute the ending inventory at September 30 and the cost of goods sold using the FIFO, LIFO, and averag ie ending inventory at September 30 and the cost of goods sold using the FIFO, LIFO, and average-cost methods. (Round per 3 decimal places, e.g. 15.647 and final answers to 0 decimal places, e.g. 5.125.) Last saved 1 second ago. Attempts: 0 of 1 used Kwill be auto-submitted on the due date. Auto- can take up to 10 minutes