Answer :
The reason is because human are diverse in nature.
The management of human as part of resources in an organisation requires great effort from the human resources personnel.
- Apart from managing human, the labor reward for job performed an by employee must commensurate with the extent of job done.
- The behavior of an employee changes from time to time and these present a migraine to H.R. personnel because the employee must be conservatively managed by the company to maximize profit.
Learn more about human resources here
brainly.com/question/17717805