Required information The following information applies to the questions displayed below.) 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 31 800 units $3.20 900 units $3.40 1,100 units @ $3.50 700 units @ $3.60 2,700 units & $5.10 If the company uses the weighted-average inventory cost flow method, what is the average cost per unit (rounded) for May? Multiple Choice $3.43 $3.38 $3.49 $5.10