units COGS End Inventory Total The units of an item available for sale during the year were as follows: 1/1/2021 Inventory 4 units at $42/unit 8/13/2021 Purchase 16 units at $43/unit 11/30/2021 Purchase 15 units at $44/unit 1/1/2021 8/13/2021 11/30/2021 units 4 $ 16 $ 15 $ Inventory unit cost 42 43 44 FIFO LIFO WA The periodic inventory system is used. There are 19 units of the item in the physical inventory at December 31, 2021. Determine the ending inventory cost and the cost of goods sold by three methods (FIFO, LIFO, Weighted Average). WEIGHTED AVERAGE FIFO units LIFO its COGS COGS units units units unit /unit units units units /unit /unit Total S available for sale Total units available * units /unit COGS units /unit End Inventory units End Inventory units End Inventory units /unit units units unit /unit units units units unit = /unit * units Total Total = Total =