The inventory records for Radford Company reflected the following: Beginning inventory @ May 1 First purchase @ May 7 Second purchase @ May 17 Third purchase @ May 23 Sales @ May 31 1,600 units @ $4.80 1,700 units @ $5.00 1,900 units @ $5.10 1,500 units @ $5.20 5,200 units @ $6.70 What is the amount of gross margin assuming the FIFO cost flow method? Multiple Choice $19,570 $8.970 $17,670 $25,870