Laker Company reported the following January purchases and sales data for its only product. The Company uses a periodic inventory system. For specific identification, ending inventory consists of 204 units, where 180 are from the January 30 purchase, 5 are from the January 20 purchase, and 19 are from beginning inventory. LAKER COMPANY For Month Ended January 31 2. Which method yields the highest gross profit? 3. Does gross profit using weighted average fall between that using FIFO and LIFO? 4. If costs were rising instead of falling, which method would yield the highest gross profit