can someone please help me figure this our please.

1. Determine the inventory on March 31 and the cost of merchandise sold for the three-month period, using the first in, first out method and the periodic inventory system. Merchandise inventory, March 31 Cost of merchandise sold 2. Determine the inventory on March 31 and the cost of merchandise sold for the three-month period, using the last in, first-out method and the periodic Inventory system Merchandise inventory, March 31 Cost of merchandise sold 3. Determine the inventory on March 31 and the cost of merchandise sold for the three-month period, using the weighted average cost method and the periodic Inventory system. Round the weighted average unit cost to the nearest cent and final answers to the nearest dollar Merchandise inventory, March 31 Cost of merchandise sold 4. Compare the gross profit and the March 31 Inventories, using the following column headings. Enter all amounts as positive numbers. HO LIFO Weighted Average Sales Cost of merchandise sold Gross proti Inventory, March 31