You are leading a project to implement a new customer relationship management $($CRM$)$ system at your company. The project aims to enhance customer interactions and streamline internal processes. To ensure the success of this organizational change, you need to address various aspects of the project lifecycle. Which of the following actions is most appropriate for the "Sustain Change" phase of your CRM implementation project?

Group of answer choices

Conduct training sessions to familiarize staff with the new CRM system.

Develop a plan for transitioning from the old system to the new one.

Build a business case to justify the need for the new CRM system.

Regularly review system performance and gather feedback to ensure the CRM continues to meet$$user$$needs$.$