Current Attempt in Progress Windsor sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Windsor's purchases of EZslide snowboards during September. During the same month, 105 EZslide snowboards were sold Windsor uses a periodic inventory system Units Date Sept. 1 12 19 26 Explanation Inventory Purchase Purchase Purchase Total 15 45 50 20 130 Unit Cost $130 132 134 135 Total Cost $1,950 5,940 6.700 2.700 $17.290 Compute the ending inventory at September 30 using the FIFO LIFO and average cost methods FIFO LIFO AVERAGE COST Ending Inventory at September 30 $ $ Compute the cost of goods sold at September 30 using the FIFO LIFO and average cost methods FIFO LIFO AVERAGE-COST Cost of soods sold 5 Textbook and Media