1. Record the inventory, purchases, and cost of goods sold data in a perpetual inventory record similar to the one illustrated in Exhibit 4 , using the last-in, first-out method. Under UFO, if units are in inventory at two different costs, enter the units with the HIGHER unit cost first in the Cost of Goods Sold Unit Cost column and LOWER unit cost first in the Inventory Unit Cost column. Dunne Co. Schedule of Cost of Goods Sold UFO Method 3. Determine the ending inventory cost on June 30. LIFO perpetual inventory The beginning inventory at Dunne Co. and data on purchases and sales for a three-month period are as follows: May 8 May 10 May 19 May 28 June 5 June 16 June 21 June 28 Periodic inventory by three methods; cost of goods sold The units of an item available for sale during the year were as follows: There are 80 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the ending inventory cost and the cost of goods sold by three methods. In your calculations round average unit cost to the nearest cent, and round all other calculations and your final answers to the nearest dollar