Flint Corporation sells a snowboard, Ezslide, that is popular with snowboard enthusiasts. Below is information relating to Flint Corporation's purchases of EZslide snowboards during September. During the same month, 107 EZslide snowboards were sold. Flint Corporation uses a periodic inventory system. (a) Compute the ending inventory at September 30 using the FIFO, LIFO and average-cost methods, (Round overage cost per unit to 3 decimal places, eg. 125.153 and final answers to 0 decimal ploces, es. 125) (b) Compute the cost of goods sold at September 30 using the FIFO, LFO and average cost methods (Round averoge cost per unit to 3 decimal ploces, es. 125.153 and final answers to 0 decimal places, es. 125