The inventory records for Radford Company reflected the following Beginning inventory on May 1 First purchase on May 7 Second purchase on May 17 300 units @ $2.20 400 units @ $2.40 600 units @ $2.50 Third purchase on May 23 Sales on May 31 200 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? Multiple Choice $2,980 O $3,120 $2,880 $2,640 G