The line chart illustrates how many hours four US automobile companies need to produce a vehicle from 1998 to 2002. Overall, almost producers can manufacture a car faster namely Nissan, DC and GM. In contrast, the amount of time taken to produce a car by Ford was increased which meant this company needed longer time to produce a vehicle.
Concerning three brands experiencing a downward trend, Nissan witnessed the most considerable changes. The period between 1998 and 2002 witnessed a dramatic drop in the amount of time to produce a Nissan from about 37 to roughly 21 hours. A Gm took 32 hours to be manufactured in 1998, then falling to around 24 hours in 2002. Meanwhile, the process of producing a DC car took 34 hours to produce in 1998, before leveling out from 1999 to 2001 and decreasing to 27 hours in 2002.
Regarding the Ford producer, the period from 1998 to 2000 saw a gradual increase in the amount of time to manufacture a car from 25 hours to around 26 hours. Afterwards, this figure reached a peak of about 28 hours in 2001, before decreasing slightly to under 26 hours in 2002.
