Provided below are the movements in the inventory account of Lala Company for January 2020: Units Unit cost 10.000 20 Beginning inventory January 1 Purchases January 10 18 28 20.000 20.000 50.000 22 20 18 The company uses the periodic inventory system. A physical count on January 31, 2020, shows 55,000 units of product A on hand. Using the Weighted Average Inventory System determine the Cost of inventory on January 31, 2020 Cost of goods sold