- Pharoah Company sells a snowboard, EZslide, that is popular with snowboard enthusiasts. Below is information relating to Pharoah Company's purchases of EZslide snowboards during September. During the same month, 102 EZslide snowboards were sold. Pharoah Company uses a periodic inventory system Date Units 14 Sept. 1 Sept. 12 Sept. 19 Sept. 26 Explanation Inventory Purchases Purchases Purchases Unit Cost $120 123 124 52 60 Total Cost $ 1,680 6,396 7.440 3,000 $18,516 125 24 150 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, eg. 125,153 and final answers to decimal places, eg, 125) FIFO LIFO AVERAGE-COST The ending inventory at September 30 $ $