Units Unit Cost Total Cost July 1, inventory 336 $2.50 $840 Purchases: July 5 480 3.50 1,680 July 10 336 4.50 1,512 July 15 384 5.50 2,112 Sales: July 11 600 July 19 360 Using the perpetual system, determine the ending inventory and cost of goods sold under FIFO method. Cost of goods sold $ Ending inventory $ Using the perpetual system, determine the ending inventory and cost of goods sold under weighted-average method. (Round answers to O decimal places, e.g. 5,275.) Cost of goods sold $ Ending inventory $