Part 3 Zoom company uses Perpetual Inventory System. During the month of August, Zoom purchased and sold merchandise on account as follows: August 1 Beginning inventory 35units @ $10 each Purchase 30 units @ $20 each Sale 40 units @ $60each Purchase 60 units @ $ 25 each Sale 85 units @ $40 each Requirement Using perpetual inventory record for Panda calculate Cost of goods sold using LIFO inventory costing method