Shown below is activity for one of the products of Denver Office Equipment: January 1 balance, 610 units @ $55 per unit $33,550 Purchases: January 10: 610 units @ $60 per unit January 20 : 1,030 units @$65 per unit 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