View Policies Current Attempt in Progress A company just starting its business made the following four inventory purchases in June Date Jun 1 Jun 10 Jun 15 Number of Units 150 200 200 150 Total Cost $480 660 680 525 Jun 28 On June 25, the company made its first sale when a local customer purchased 500 units for $3,500. The company uses a perpetual Inventory system The Inventory cost formula that results in the highest gross profit for June is O FIFO average not determinable gross profit is the same under both cost formulas