Shown below is activity for one of the products of Denver Office Equipment January 1 balance, 570 units esse per unit $28,500 Purchases: January 10: 570 units $60 per unit January 20: 1,060 units @ $61 per unit Sales: January 12: 1.000 units January 28: 770 units Required: Compute the January 31 ending inventory and cost of goods sold for January, assuming Denver uses average cost and a perpetual inventory system. (Do not round intermediate calculations. Round your final onswers to nearest whole dollar amount.) Ending inventory Cost of goods sold