sework Question 7 of 11 -/4 Metlock sells a snowboard. EZslide, that is popular with snowboard enthusiasts. Below is information relating to Metlock's purchases of EZslide snowboards during September. During the same month, 105 EZslide snowboards were sold. Metlock uses a periodic inventory system Date Explanation Units Unit Cost Total Cost Sept. 1 Inventory 15 $86 $1.290 12 Purchase 45 88 3.960 19 Purchase 50 90 4,500 26 Purchase 20 91 1.820 Total 130 $11.570 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, UFO and average cost methods. FIFO LIFO AVERAGE-COST Cost of goods sold $