Periodic inventory by three methods The beginning inventory at Midnight Supplies and data on purchases and sales for a three-month period ending March 31 are as follows: 1. Determine the ifventory on March 31 and the cost of goods sold for the three-month period, using the first-in, first-out method and the periodic inventory aystem, Inventory, March 314 Cost of goods soid \&f. 1. Determine the inventory on March 31 and the cost of goods sold for the three-month period, using the first-in, first-out method and the periodic inventory system. Inventory, March 31 i Cost of goods sold 5 2. Determine the inventory on March 31 and the cost of goods sold for the three-month period, using the last-in, first-out method and the periodic inventory system. Inventory, March 31 ? Cost of goods sold s. 3. Determine the inventory on March 31 and the cost of goods 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. Inventory, March 31 1 Cost of goods soid if 4. Compare the gross profit and the March 31 inventories, ubing the following column heedings, For those boxes in which you must enter wibtracted or negative numbers use a minus sibn