E6A-28 Comparing ending merchandise inventory, cost of goods sold, and gross profit using the periodic inventory system-FIFO, LIFO and Weighted-Average methods Assume that Mesquite Coffee Shop completed the following periodic inventory transactions for a line of merchandise inventory r 6 earning Objective 7 Appendix 6A 2. COGS $756 20 units@$20 each 6 units@$22 each Jun. 1 Beginning merchandise inventory 12 Purchase 20 Sale 24 Purchase 14 units@$35 each 16 units@$24 each 29 Sale 20 units@ $35 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 weighted average cost per unit to the nearest cent and all other amounts to the nearest dollar.)