Data table Quantity Unit Cost Beginning inventory 2,000 $ 4.00 Purchases during year 18,000 $ 6.00 Requirements 1. Using the average-cost method, compute the cost of goods sold and ending inventory for the year. 2. Using the FIFO method, compute the cost of goods sold and ending inventory for the year. 3. Using the LIFO method, compute the cost of goods sold and ending inventory for the year