The inventory records for Radford Co. reflected the following Beginning inventory @ May 1 First purchase @ May 7 second purchase @ May 17 Third purchase @ May 23 Sales & May 31 1,700 units @ $5.00 1,800 units @ $5.20 2,000 units @ $5.30 1,600 units @ $5.40 5,400 units @ $6.90 Determine the amount of cost of goods sold assuming the LIFO cost flow method Multiple Choice O $28,080 528 600 530