The inventory records for Radford Co. reflected the following Beginning inventory @ May 1 First purchase @ May 7 Second purchase @ May 17 100 units @ $4.00 300 units @ $4.40 500 units @ $4.60 100 units @ $4.80 1900 units @ $7.80 Third purchase @ May 23 Sales @ May 31 Determine the weighted average cost per unit (rounded) for May. 252F%252Flms.mheducation Saved Multiple Choice $4.45 $4.50 $5.12 $6.34