Blue Spruce Corp, sells a snowboard, EZslide, that is popular with snowboard enthuslasts. Below is information relating to Blue Spruce Corpis purchases of EZslide snowboards during September, During the same month, 108 EZs lide snowboards were sold, Blue Spruce Corp. uses a periodicinventory system. (a) Compute the ending inventory at September 30 using the FIFO. LIFO and average-cost methods, (Round average cost per unit to 3 decimal ploces, eg. 125.153 and final answers to 0 decimal ploces, es. 125.) (a) Compute the ending inventory at September 30 using the FIFO, LIFO and average-cost methods, (Round average cost per unit to 3 decimal places, es. 125,153 and final answers to 0 decimal places, es. 125.) (b) Compute the cost of goods sold at September 30 using the FIFO, LIFO and average-cost methods. IRound average cost per unit to 3 decimal ploces, es. 125.153 and final answers to 0 decimal places, eg. 125)