Required information The following information applies to the questions displayed below.) The Inventory records for Radford Co. reflected the following: Deginning inventosy May 1 First purchase May Second purchase Hay 17 Third purchase May 23 Sales May 21 1,000 units $3.60 1,100 units @ $3.80 1,300 units $3.90 900 units 54.00 3,300 units 55.50 What is the amount of gross margin assuming the weighted average Inventory cost flow method? (Round your intermediate calculations to two decimal places.) Required information The following information applies to the questions displayed below.) The inventory records for Radford Co. reflected the following: Beginning inventos May 1 First purchase May 7 Second purchase May 12 Third purchase May 23 Sales May 31 1,000 units $3.60 1,200 unito.B0 1,300 units $3.90 900 units @ $4.00 3300 units 55.50 What is the amount of gross margin assuming the FIFO cost flow method