While planning for service improvements, what is an important best practice to consider?

A.
Service improvement targets should be measurable, linked to business objectives and documented in a plan.

B.
The progress of service improvement should be discussed at least weekly in the steering committee.

C.
The progress should be monitored closely by an independent project manager to maintain objectivity.

D.
The service improvement targets should not change until the target is reached, or else no consistency is maintained