Shown below is the activity for one of the products of Random Creations: January 1 balance, 90 units @ \$60 \$5,400 Purchases: January 18: 80 units @ \$70 January 28: 80 units @ \$71 Sales: January 12: 50 units January 22: 50 units January 31: 65 units Required: Compute the January 31 ending inventory and cost of goods sold for January, assuming Random Creations uses LIFO and a periodic inventory system