A demanding project stakeholder insists that an additional feature be added to a project product without changing the scope, budget, or schedule. The project manager allows this feature to be included since it adds great value to the end product. However, this
lengthens the project schedule and increases project cost.
Which process should the project manager have followed before including the additional product feature?


A. Change management
B. Schedule and cost management
C. Product scoping
D. Requirements definition