What is the objective of planning and implementing new or changed services?

A.
To ensure that all Changes are assessed, approved, implemented and reviewed in a controlled manner

B.
To ensure that approved Changes are implemented in the IT infrastructure with acceptable risks for the current and new IT services

C.
To ensure that new services and changes to services will be deliverable and manageable at the agreed cost and service quality

D.
To ensure that standard methods and procedures are used so that Changes can be handled quickly and with the lowest possible negative impact on service quality