Coco Lopez Company uses the periodic inventory system to account for inventories. Information related to Coco Lopez Company's inventory at October 31 is given below: October 1 Beginning inventory 400 units @ $10.00 = $ 4,000 8 Purchase 800 units @ $10.40 = 8,320 16 Purchase 600 units @ $10.80 = 6,480 24 Purchase 200 units @ $11.60 = 2,320 Total units and cost 2,000 units $21,120