What would be the next step in the continual service improvement (CSI) model after?
1. What is the vision?
2. Where are we now?
3. Where do we want to be?
4. How do we get there?
5. Did we get there?
6. ?

A.
What is the return on investment (ROI)?

B.
How much did it cost?

C.
How do we keep the momentum going?

D.
What is the value on investment (VOI)?