Exercise 6-4 Your answer is incorrect. Try again. Oriole Company sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Oriole Company's purchases of EZslide snowboards during September. During the same month, 94 EZslide snowboards were sold. Oriole Company uses a periodic inventory system. Date Sept. 1 Sept. 12 Purchases Sept. 19 Purchases Sept. 26 Purchases Units 13 46 47 18 124 Unit Cost Explanation Inventory Total Cost $108 1,404 5,106 5,264 2,034 $13,808 112 113 Totals (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 0 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 0 decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST Cost of goods sold