Shown below is activity for one of the products of Denver Office Equipment: January 1 balance, 600 units @ $50 per unit $30,000 Purchases: January 10: 600 units @ $55 per unit January 20: 1,200 units @ $58 per unit Sales: January 12: 900 units January 28: 800 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