Identify the Goal of a Service-Level Agreement

Identify the goal of a service-level agreement.

A) To provide an international assurance standard for allowing public accountants to issue a report for use by user organizations
B) To manage expectations between customer and service provider by creating a common understanding about services,priorities,and responsibilities
C) To create complex systems that run themselves,while keeping the system's complexity invisible to the end user in a public cloud environment
D) To report on the fairness of the presentation of management's description of a service organization's system