A large multi-national airline has many responsibility centres.

The South American division, which is responsible for operations in South America and has the authority to purchase new aircraft and add/cut routes.
The Pilot Training group, which is responsible for training new pilots
The reservations group, which is responsible for making reservations
The maintenance division, which is responsible for aircraft maintenance, and from time-to-time will also do maintenance for other airlines
The fuel group, which is responsible for fueling aircraft

Required:
Briefly identify how should each of these be evaluated