Jun. Beginning merchandise inventory 12 Purchase 20 Sale 24 Purchase 29 Sale 20 units @ 3 units @ 13 units @ 15 units @ 16 units @ $ $ $ $ $ 16 each 18 each 38 each 20 each 38 each Requirements 1. Compute ending merchandise inventory, cost of goods sold, and gross profit using the FIFO inventory costing method. 2. Compute ending merchandise inventory, cost of goods sold, and gross profit using the LIFO inventory costing method. 3. Compute ending merchandise inventory, cost of goods sold, and gross profit using the weighted average inventory costing method. (Round we amounts to the nearest dollar.)