Chase Co. uses the perpetual inventory method. The inventory records for Chase reflected the following Jan 1 Beginning inventory Jan 12 Purchase Jan 18 Sales Jan 21 Purchase Jan 25 Purchase Jan 31 Sales 900 units @ $3.50 1,000 units @ $3.30 1,100 units @ $5.00 900 units @ $3.60 700 units @ $3.40 1,050 units @ $5.00 Assuming Chase uses a LIFO cost flow method, the amount of cost of goods sold for the sales transaction on January 18 is