Shown below is activity for one of the products of Denver Office Equipment: January 1 balance, 590 units $29,500 Purchases: 50 January 590 units $50 10: January 20: 1,020 units $60 Sales: January 840 units 12: January790 units 28: 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