Answer:
The easiest and the least costly form of control is output or quality control.
Explanation:
Controlling is one of the primary function of management which deals in controlling or keeping a check on the set standards and performed standards of the subordinates.
The easiest and the least costly form of control is output or quality control.
Quality control is the method of controlling the quality of a product offered to the customers in order to fulfill their demands or requirements or needs. A check is put on all the resources of production in order to control the quality of the product.
Output control on the other hand is the control or check put on the total output produced by using the available sources of production