Your colleague Michael, a project manager, completed an iPhone $21$ development project. While he was telling his experiences from his project, he mentioned that they delivered $$adjustable screen timeout setting$$ feature, without a deviation from the plan, although the customer did not require and was not in scope of the project. He added that customer was very surprised and happy when they saw this additional feature at the end of the project. Which of the following is correct about this story?

Group of answer choices

Change request has been delivered successfully

Unnecessary risk has been taken by adding a new feature to product.

Gold plating was done in the project

Customer satisfaction increased with an additional feature which they did not expect