Question 8 of 13 11 Compote the ending imventory at September 30 and the cost of goods sold using the FIFO, LFO, and average-cost methods. (Round per unit cost to 3 decimal places, es. 15.647 and final anwwers to 0 decimal places, eg. 5.125. Kingbirdsells a snowboard, EZslide. that is popular with snowboard enthusiasts. The following is information relating to Kingbird's beginning inventory and purchases of EZslide snowboards during September. During the same month, 10S E7slide snowboards were sold: Kingbird uses a periodic imventory 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 decimai places, e. , 15.647 and final onswers to 0 decimal ploces, egg 5,125