Current Attempt in Progress Ivanhoe Company sells a snowboard, EZslide, that is popular with snowboardenthusiasts. Below is information relating to Ivanhoe Company's purchases of EZslide snowboards during September. During the same month, 105 EZslide snowboards were sold. Ivanhoe Company uses a periodic inventory system, Date Explanation Units Unit Cost Total Cost 12 $110 $ 1,320 Inventory Sept. 1 45 113 5,085 Purchases Sept. 12 60 114 6,840 Purchases Sept. 19 23 115 2.645 Sept. 26 Purchases $15,890 Totals 140 (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, eg. 125.153 and final answers to 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, e.g. 125,153 and final answers to decimal places, eg, 125. LIFO AVERAGE-COST FIFO S $ Cost of goods sold