Carlson Auto Dealers Inc. sells a handmade automobile as its only product. Each automobile is identical; however, they can be distinguished by their unique ID number. At the beginning of 2018, Carlson had three cars in inventory, as follows:

Car ID	Cost
203	$	51,000
207		51,000
210		54,000

During 2018, each of the three autos sold for $81,000. Additional purchases (listed in chronological order) and sales for the year were as follows:

Car ID	Cost			Selling Price
211	$	51,000		$	81,000
212		51,000			84,000
213		52,500		not sold
214		54,000			87,000
215		57,000			91,500
216		58,500		not sold
217		60,000			96,000
218		60,300			97,500
219		63,000		not sold

Required: 1. Calculate 2018 ending inventory and cost of goods sold assuming the company uses the specific identification inventory method. 2. Calculate ending inventory and cost of goods sold assuming FIFO and a periodic inventory system. 3. Calculate ending inventory and cost of goods sold assuming LIFO and a periodic inventory system. 4. Calculate ending inventory and cost of goods sold assuming the average cost method and a periodic inventory system.