Carla Vista Lighting had a beginning inventory of 18 units at a cost of $7 per unit on August 1. During the month, the following purchases and sales were made. Purchases Sales August 5 23 units at $8 August 2 13 units August 11 33 units at $9 August 10 18 units August 23 28 units at $10 August 19 48 units August 21 18 units Carla Vista uses a periodic inventory system. Determine ending inventory and cost of goods sold under: 1. FIFO and 2.LIFO. FIFO LIFO 1 Ending inventory $ 2 Cost of goods sold $