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 19 Unit Cont $51 53 Total Cost $ 969 742 33 $1,711 Calculate ending inventory and cost of goods sold for 2021 assuming the company uses LIFO. $ Ending inventory Cost of goods sold 663 79 $