12 The inventory records for Radford Company reflected the following 10 points Beginning inventory on May 1 First purchase on May 7 Second purchase on May 17 Third purchase on May 23 Sales on May 31 300 units @ $2.20 400 units @ $2.40 600 units @ $2.50 200 units @ $2.60 1,200 units @ $4.10 What is the amount of cost of goods sold assuming the LIFO cost flow method is used