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 2021, Carlson had three cars in inventory, as follows: Car ID 203 207 2101 Cost $60,000 60,000 63,000 During 2021, each of the three autos sold for $90,000. Additional purchases (listed in chronological order) and sales for the year were as follows: Car ID 211 Cost $63,000 Selling Price $ 90,000 93,000 not sold 96,000 100,500 2121 63,000 213 64,500 214 66,000 215 69,000 216 70,500 not sold 217 72,000 218 72,300 105,000 106,500 219 75,000 not sold