zero Question 3: James company uses a perpetual inventory system and had the following inventory information for the month of June. Date Explanation Units Unit cost/selling price June.1 Beg. inv. June.11 Purchases 150 13 June.13 Sales 100 15 June 15 Sales return 10 15 June 20 Purchases 40 15 June 22 Sales 30 20 Use FIFO and Calculate: 1) cost of ending inventory 2) cost of goods sold 3) gross profit