Exercise 6-15 Mather sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Mather's purchases of EZslide snowboards during September. During the same month, 102 EZslide snowboards were sold. Explanation Inventory Unit Cost Units Total Cost Date $100 12 $1,200 Sept. 1 Sept. 12 Purchases 45 103 4,635 104 5,200 Sept. 19 Purchases 50 20 105 2,100 Sept. 26 Purchases 127 $13,135 Totals Additional data regarding the company's sales of EZslide snowboards are provided below. Assume that Mather uses a perpetual inventory system. Units Date Sale 8 Sept. 5 48 Sept. 16 Sale 46 Sale Sept. 29 102 Totals Calculate the average unit cost. (Round answers to 3 decimal places, e.g. 5.125.) September 1 September 5 $ September 12 $ September 16 $ September 19 September 26 September 29 Compute ending inventory at September 30 using FIFO, LIFO, and moving-average. (Round answers to 0 decimal places, e.g. 125.) FIFO LIFO AVERAGE-COST The ending inventory $