answers to the nearest whole dollar. Inventory, June 30$ Cost of goods sold 1. Determine the inventory on June 30 and the cost of goods sold for the three-month period, using the first-in, first-out method and the periodic inventory system. Inventory, June 30$ Cost of goods sold 2. Determine the inventory on June 30 and the cost of goods sold for the three-month period, using the last-in, first-out method and the periodic inventory system. Inventory, June 30$ Cost of goods sold $