Which of the following provide value to the business from service strategy?
1. Enabling the service provider to have a clear understanding of what levels of service will make their customers successful
2. Enabling the service provider to respond quickly and effectively to changes in the business environment
3. Support the creation of a portfolio of quantified services
A. All of the above
B. 1 and 3 only
C. 1 and 2 only
D. 2 and 3 only