Which THREE of the following apply?

The scientific management theory of management suffers from a number of problems.

Which THREE of the following apply?
A . Because under scientific management employees are trained to do just one part of a job they can become bored, motivation declines and labour turnover increases.
B . Managers may find that as the organisation grows in size there are increasing demands on their time and that it is therefore necessary to employ others to undertake supervision of day to day tasks.
C . The approach assumes that people are only motivated by money but the evidence is that people are motivated by other things such as job satisfaction and a sense of achievement.
D . This appoach depends on employees strong identification with management goals but this can sometimes be difficult to achieve.
E . The approach leads to quality problems because the use of monetary incentives can lead employees to rush their work and be less careful in the completion of their tasks.

Answer: A,C,E