A Group of Friends Wanted to Start Their Own Car

A group of friends wanted to start their own car detailing business.It was decided that to differentiate their cleaning services from others they would break down the various jobs associated with cleaning the inside and outside of a car,and each would specialize.With which of the following management approaches do their actions most agree?

A) Administrative principles.
B) Scientific management.
C) Contingency theory.
D) Self?actualization.
E) Fayol's principles of management.