Which of the following are objectives of service level management?

1: Defining, documenting and agreeing the level of FT services to be provided
2: Monitoring, measuring and reporting the actual level of services provided
3: Monitoring and improving customer satisfaction
4: Identifying possible future markets that the service provider could operate in

A. 1, 2 and 3 only

B. 1 and 2 only
C. 1, 2 and 4 only
D. All of the above