Shown below is activity for one of the products of Denver Office Equipment: 10: January 1 balance, 570 units @ $50 $28,500 Purchases: January 570 units @ $60 January 1,060 units @ $61 20: Sales: January 1,000 units 12: January 770 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