What Is the Primary Focus of the Business Management

What is the primary focus of the business management?

A) Management, control and prediction of the performance, utilization and capacity of individual elements of IT technology
B) Review of all capacity supplier agreements and underpinning contracts with supplier management
C) Management, control and prediction of the end-to-end performance and capacity of the live, operational IT services
D) Future business requirements for IT services are quantified, designed, planned and implemented in a timely fashion