Inventory methods 23-25 total cost units unit cost beginnning inventory 14-Feb purchases 17-Mar purchases 15-May purchases 2,500.00 4,000.00 8,000.00 3.5 4 5.5 total sales 1-Apr 28-May 7,500.00 8,000.00 Calculate ending inventory and cost of goods sold using: Clearly label inventory and CGS 23. weighted average cost perpetual system 24. perpetual lifo system 25. perpetual fifo system