Required information The inventory records for Raymond Co. reflected the following Beginning Inventory o May 350 units $2.00 First Purchase @ May 7 Second Purchase a May 17 Third Purchase & May 23 Sales @ May 31 580 units a $2.60 540 units @ $2.60 380 units @ $2.50 1,600 units C $2.90 Determine the amount of gross margin assuming the weighted average cost flow method. (Do not round average cost per unit and round your answer to the nearest whole number)