During 2018, a company sells 21 units of inventory. The company has the following inventory purchase transactions for 2018: Number of Units Unit Cost Total Cost Transaction Date Beginning inventory Purchase 18 54 Jan. 1 972 Sep. 8 14 56 784 $1,756 32 Calculate ending inventory and cost of goods sold for 2018 assuming the company uses LIFO with a periodic inventory system. Ending inventory Cost of goods sold