Planning is primary function of management because:

All of the above

The correct answer is option 4 i.e. all of the above.

Planning is a primary function of management: Planning lays down the base for other functions of management. All other managerial functions are performed within the framework of the plans drawn. Thus, planning precedes other functions. This is also referred to as the primacy of planning. The various functions of management are interrelated and equally important. However, planning provides the basis of all other functions.