Pearl Corp. sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Pearl Corp's purchases of EZslide snowboards during September. During the same month, 102 EZslide snowboards were sold. Pearl Corp. uses a periodic inventory system. Date Explanation Unit Cost Total Cost Sept. 1 Units 10 46 $107 $1,07 Inventory Purchases 1 Purchases 110 Sept. 12 Sept. 19 5,060 5,883 Sept. 26 Purchases 2,352 Totals 130 $14,365 (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, e.g. 125.153 and final answers to O decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST The ending inventory at September 30 $ (b) Compute the cost of goods sold at September 30 using the FIFO, LIFO and average-cost methods. (Round average cost per unit to 3 decimal places, eg. 125.153 and final answers to 0 decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST Cost of goods sold $