Shown below is activity for one of the products of Denver Office Equipment January 1 balance, 620 units @ $55 $34,100 Purchases: January 10: 620 units @ $60 January 20: 1, 240 units @ $65 Sales: January 12: 930 units January 28: 760 units Required: Compute the January 31 ending inventory and cost of goods sold for January, assuming Denver uses FIFO. Ending inventory Cost of goods sold