The chart illustrates how much time it would take for company A, B and C to manufacture a refrigerator from 1990 to 2000.
It is clear that the time of this company A and C decreased steadily for manufacture a refrigerator between 1990 and 2000. Overall, a larger number of company C in comparison with company B and C.
In 1990, the number of company B was lowest about 27 hours. The figures for company A and C were higher, at about 30 and 35 hours perspectively. About five years later, the time for manufacture a refrigerator of company A decreased to around 32 hours, while the figure for company B and C reached just over 26 hours.
In 2000, the time of manufacture a refrigerator was the lowestest in company A. Almost 23 hours can manufacture a refrigerator, compared to about 25.2 hours of company B and over 28 hours of company C.
