The Inventory records for Radford Co. reflected the following Beginning inventory @ May 1 First purchase @ May 7 second purchase e May 17 Third purchase e May 23 Sales @ May 31 400 units @ $2.40 500 units @ $2.60 700 units @ $2.70 300 units @ $2.80 1,500 units @ $4.30 Determine the amount of cost of goods sold assuming the LIFO cost flow method. 1 Multiple Choice 0 $4,200 0 $3,600 0 O $4,030 $3.900 C