could you solve this please

P6-34B Accounting for inventory using the perpetual inventory system- LIFO, and weighted-average, and comparing FIFO, LIFO, and weighted-average Decorative Steel began January with 70 units of iron inventory that cost $25 each During January, the company completed the following inventory transactions: Units 60 80 70 20 Unit Cost Unit Sale Price Jan. 3 Sale $74 8 Purchase 21 Sale 30 Purchase $ 43 79 49 Requirements 1. Prepare a perpetual inventory record for the merchandise inventory using the 2. Prepare a perpetual inventory record for the merchandise inventory using the 3. Prepare a perpetual inventory record for the merchandise inventory using the 4. Determine the company's cost of goods sold for January using FIFO, LIFO, and 5. Compute gross profit for January using FIFO, LIFO, and weighted-average 6. If the business wanted to maximize gross profit, which method would it select? FIFO inventory costing method. LIFO inventory costing method. weighted-average inventory costing method. weighted-average inventory costing methods inventory costing methods