Larkspur sells a snowboard, EZslide, that is popular with snowboard enthusiasts. The following is information relating to Larkspur's purchases of EZslide snowboards during Scptember. During the same month, 102 EZslide snowboards were sold. Larkspur uses a periodic inventory system. Compute the ending imventory at September 30 and the cost of goods sold using the FIFO, LIFO, and average-cost methods. (Round per unit cost to 3 decimal ploces, es. 15,647 and final answers to 0 decimol ploces, es. 5,125