Your colleague who is also a project manager is working on a software development project. When talking about his project, he mentions that they delivered an additional feature in their software that the customer did not require or include in the scope of the project. He brags that the customer was impressed and satisfied when they saw the additional feature. Which of the following statements describes this story? Choose only ONE best answer. A A change request to add the extra feature was successful. B The project team added unnecessary risk by adding an extra feature to the software. C Gold plating was done on this project. D The final project deliverable was not valid because of the changes which were not agreed upon before being implemented