During 2021, a company sells 20 units of inventory. The company has the following inventory purchase transactions for 2021: Date Transaction Jan. 1 Beginning inventory Sep. 8 Purchase Number of Units Unit Total Cost Cost 12 $54 $ 648 15 56 840 27 $1,488 Calculate ending inventory and cost of goods sold for 2021 assuming the company uses FIFO. Ending inventory Cost of goods sold