Periodic Inventory by Three Methods; Cost of Merchandise Sold The units of an item available for sale during the year were as follows Jan. 1 Inventory Mar. 10 Purchase Aug. 30 Purchase Dec. 12 Purchase There are 80 units of the item in the physical inventory at December 31. The periodic inventory 40 units $104 60 units $112 30 units $118 70 units $122 Determine the inventory cost and the cost of merchandise sold by three methods. Round interim cal answers to the nearest whole dollar Cost of Merchandise Inventory and Cost of Merchandise Sold Inventory MethodMerchandise Inventory Merchandise Sold First-in, first-out (FIFO) Last-in, first-out (LIFO) Weighted average cost