Splish Brothers sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to 5 plish Brothers's beginning Inwentory and purchases of EZside snowboards during September. During the same month, 107 EZsidie snowboards were sold. Splish Brothers 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, e.g. 15,647 and final answers to 0 decimal places, e.s. 5,125