Periodic Inventory by Three Methods The beginning inventory for Dunne Co. and data on purchases and sales for a three-month period are as follows: Number of Units Date Transaction Per Unit Total Apr. 3 Inventory 25 $1,200 $30,000 8 Purchase 75 1,240 93,000 11 Sale 40 2,000 80,000 30 Sale 30 2,000 60,000 May 8 Purchase 60 1,260 75,600 10 Sale 50 2,000 100,000 19 Sale 20 2,000 40,000 100,800 28 Purchase 80 1,260 June 5 Sale 40 2,250 90,000 16 Sale 25 2,250 56,250 21 Purchase 35 1,264 44,240 28 Sale I 44 2,250 99,000 Required: 1. Determine the inventory on June 30 and the cost of merchandise sold for the three-month period, using the first-in, first-out method and the periodic inventory system Next 1. Determine the inventory on June 30 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, June 30 Cost of merchandise sold 2. Determine the inventory on June 30 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, June 30 Cost of merchandise sold 3. Determine the inventory on June 30 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 and final answers to the nearest dollar. Merchandise inventory, June 30 $ Cost of merchandise sold 4. Compare the gross profit and June 30 inventories using the fallowing column headings. Enter all amounts as positive numbers. FIFO LIFO Weighted Average $ Sales Cost of merchandise sold Gross profit Inventory, June 30