The creation of the assembly line form of manufacturing is considered one the greatest achievements of the 20th Century. Before then, cars were made one at a time by hand and were so expensive that the average worker could not afford one. This invention significantly reduced the labor cost per car and made cars affordable to the masses. The masses then urbanized America. What are the differences between a current auto assembly line process and the original version? Approximately how long does it take to make a car now? How have changes in processes like this changed the accounting for them? Hint- Accounting for Just-inTime Manufacturing.