value 7.00 points Shown below is activity for one of the products of Denver Office Equipment January 1 balance, 690 units @ $60 $41,400 Purchases January 10: 690 units $64 January 20: 1,040 units$66 Sales January 12: 1,000 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 periodic inventory system Ending inventory Cost of goods sold