Swifty sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Swifty's purchases of EZslide snowboards during September. During the same month, 102 EZslide snowboards were sold. Swifty uses a periodic inventory system. Compute the ending inventory at September 30 and the cost of goods sold using the FIFO, LIFO, and average-cost methods. (Round per unit cost to 3 decimal places, eg. 15.647 and final answers to 0 decimal places, eg. 5, 125.)