Answer-
1.It helps in getting right person for the right job.
2.When right person is appointed for right job it leads to high performance ,and high productivity.
3.It also helps in removing wastage of resources .
4.It helps in improving job satisfaction of employees as it boosts their morale .
5.It is the basis of other managerial functions as all the functions are performed by human beings in an organisation.
6.It helps in optimal utilisation of resources .