The line graph illustrates the time taken to produce a vehicle by four car manufacturers, namely Nissan, Daimler Chrysler, General motors and Ford, based in USA, between 1998 and 2002.
Overall, the hours of production has declined in all the analyzed car manufactures except Ford, which experienced a steady incline, surpassing both General Motors and Nissan.
It is noteworthy that the time of Nissan, Daimler Vehicle and General Motors accounted for about 37, 34 and 32 hours per vehicle in 1998, respectively. Nissan witnessed a sharp decline from 37 to 24 hours over the next two years from 1998, while General motors decreased steadily to nearly 24 hours in 2002. After a slight decline in 1999 to 32 hours, the amount of time opting for Daimler Chrysler remained at this level until 2001, with the exception of a moderate fall to 28 hours in 2002. Notably, at the end of the analyzed period, the time of Nissan, taken to produce vehicle, reached the lowest point at 22 hours in 2002, comparing with other car manufactures.
As for the Ford, the amount of hours in 1998 accounted for approximately 25 hours, which was the lowest among other car manufacturers. The figure increased gradually over the next three years to almost 28 hours before it fell slightly to 26 hours until 2002, overtaking the hours of both General Motors and Nissan.