Shown below is activity for one of the products of Denver Office Equipment: 5 January 1 balance, 670 units @ $60 per unit $40,200 Purchases: January 10: 670 units @ $54 per unit January 20: 1,060 units @ $60 per unit Sales: January 12: 900 units January 28: 800 units Required: Compute the January 31 ending Inventory and cost of goods sold for January, assuming Denver uses LIFO and a perpetual Inventory system. Ending inventory Cost of goods sold