Answer:
Contemporary perspective
Step-by-step explanation:
Contemporary management is made up of The system theory and the Contingency theory;
In system theory , departments in an organization depends on each other to achieve their goals. Inputs are processed to achieve the desired outputs and the feedback reaches the management.
Contingency theories believe that an organization is faced with different situations and approaches should be relative to situation at hand. It is a flexible pattern of management.
We can see that both the system and contingencies theory were applied by Greg