Shown below is activity for one of the products of Denver Office Equipment: January 1 balance, 610 units @ \$55 \$33,550 Purchases: January 10: 610 units @ \$60 January 20: 1,030 units @ \$65 Sales: January 12: 1,000 units January 28: 750 units Required: Compute the January 31 ending inventory and cost of goods sold for January, assuming Denver uses FIFO