The inventory records for Radford Company reflected the following Beginning inventory on May 1 First purchase on May 7 Second purchase on May 17 Third purchase on May 23 Sale on 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 What is the amount of gross margin assuming the FIFO cost flow method is used? Multiple Choice $27,930 $8,660 Multiple Choice $27,930 $8,660 $9,330 $10,260