DE9-6 Study Exhibit 9-5, page 354, and answer these questions. 1. In Panel A, are the company's inventory costs stable, increasing, or decreasing during the period? Cite specific figures to support your answer. 2. Which inventory method results in the highest amount for ending inventory (give this fig- ure)? Explain why this method produces the highest amount for ending inventory, 3. Does this method result in the highest, or the lowest, cost of goods sold? Explain. 4. Does this method result in the highest, or the lowest, gross profit? Explain your answer.