The units of inventory available for sale during the month of June were as follows: 60 units at June 1 Beginning Inventory $40 40 units at June 15 Purchase $30 20 units at June 22 Purchase $20 There are 20 units of inventory at June 30. Required: Determine the cost of goods sold using: 1. FIFO 2. LIFO 3. Average cost (Round all calculations to two decimal places.) Required: Determine the ending inventory using: 1. FIFO 2. LIFO 3. Average cost (Round all calculations to two decimal places.)