The inventory records for Radford Company reflected the following Beginning inventory on May 1 first purchase on May 7 Second purchase on May 17 1,900 units @ $5.40 2,000 units @ $5.60 2,200 units @ $5.70 1,800 units @ $5.80 6,000 units @ $7.30 Third purchase on May 23 Sale on May 31 What is the amount of gross margin assuming the FIFO cost flow method is used? Multiple Choice $11,400 $9,620 $33,430 $10.370