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 Sales on May 31 What is the weighted average cost per unit for May? 600 units @ $2.80 700 units @ $3.00 900 units @ $3.10 500 units @ $3.20 2,100 units @ $4.70 Multiple Choice $2.98 $4.70 $3.09 $3.03