Question 2 (20 marks) Oak Tree Ltd. Inventory records for a particular development program show the following at October 31, 2016: Oct 1 Beginning inventory 10 units @ $0.60 = $6 15 Purchase 60 units (a 0.65 = 39 26 Purchase 70 units @ 0.70 = 49 At October 30, sold 120 units of these programs. Oak Tree Ltd. uses the perpetual inventory system. Compute cost of goods sold and ending inventory, using each of the following methods: . Specific unit cost. . Weighted-average cost . First-in, first out cost Which method produces the highest cost of goods sold? Which method produces the lowest cost of goods sold? What causes the difference in cost of goods sold