Which of the following models might include the documentation of scenarios?

In which of the following categories would return on investment be considered when assessing the feasibility of a project?

Which stage of the Requirements Engineering process is concerned with tracking requirements from inception to implementation?

In a particular organisation it is common practice to call all managers by their first name. It is part of the culture of the organisation. Newcomers are quickly corrected if they do not follow this informal approach.
What would knowing about this convention be classified as in Requirements Engineering?

Which of the following is NOT an example of a generic stakeholder group?