Your software development project is reaching its end. This is a completely new system that is replacing the old legacy system, and no one in the organization has ever used this new system before. you are demonstrating the final system capabilities to the key stakeholders before you go live, and they are very impressed with waht they are seeing. They agree that the system is ready to go live. What should you do next?

A$.$ Start archiving project documents.

B$.$ Update lessons learned.

C$.$ Ensure that organization is ready to go live

D$.$ Move the system to go live as soon as possible and sunset the old system.