Required information Use the following information for the Exercises 3-7 below. (Static) [The following information applies to the questions displayed below.] Laker Company reported the following January purchases and sales data for its only product. The Company uses a perpetual inventory system. For specific identification, ending inventory consists of 180 units from the January 30 purchase, 5 units from the January 20 purchase, and 15 units from beginning inventory. Date January 1 January 10 January 201 January 25 January 30 Activities Beginning inventory 140 units Units Acquired at Cost $ 6.00- Units sold at Retal $ 840 Sales Purchase Sales 100 units $ 15 60 units $5.00- 300 80 units $ 15 Purchase Totals 180 units 380 units 8 $ 4.50- 810 $ 1,950 180 units Exercise 5-7A (Static) Periodic: Gross profit effects of inventory methods LO P3, A1 Required: 1. Compute gross profit for the month of January for Laker Company for the four inventory methods. 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? Answer is complete but not entirely correct.