Final answer:
The stage of the change management process that is represented when the customer requests a change in the design work is Implement the approved change. Therefore, the correct option is C Implement the approved change
Step-by-step explanation:
The stage of the change management process that is represented when the customer requests a change in the design work is Implement the approved change.
This stage involves taking the approved change and making the necessary adjustments or modifications to the design work. In this case, the customer's request for a change in the design of the event invitations would fall under this stage.