An automobile plant could produce 600 cars a day with 4,580 workers in 1985. Since then, the plant improved quality of their production by implementing TQM principles. Now, they can produce 900 cars a day with 4,300 workers. What is the percentage increase in productivity since 1985?
Select one:
A.
51.2%
B.
20.5%
C.
59.5%
D.
37.5%
E.
80.0%