Shown below is activity for one of the products of Denver Office Equipment: January 1 balance, 560 units @ \$56 per unit $31,360 Purchases: January 10: 560 units @ \$61 per unit January 20: 1,120 units @ \$65 per unit Sales: January 12: 940 units January 28: 810 units Required: Compute the January 31 ending inventory and cost of goods sold for January, assuming Denver uses LIFO and a perpetual inventory system