Skysong's Boards sells a snowboard, Xpert, that is popular with snowboard enthusiasts. Information relating to Skysong's purchases of Xpert snowboards during September is shown below. Date Sept. 1 Explanation Units Unit Cost Total Cost Inventory 28 $95 $2,660 Sept. 12 Purchases 49 99 4,851 Sept. 19 Purchases 22 101 2,222 Sept. 26 Purchases 54 102 5,508 Totals 153 $15,241 Additional data regarding Skysong's sales of Xpert snowboards are provided below. Assume that Skysong's uses a perpetual inventory system. Date Units Unit Price Total Revenue Sept. 5 Sale 13 $196 $2,548 Sept. 16 Sale 54 196 10,584 Sept. 29 Sale 64 205 13,120 Totals 131 $26,252