Exam PMI-PBA topic 1 question 197 discussion

A business analyst conducts an initial review to define scope. The analysis includes the review of the business case, project goals, and objectives to obtain the necessary and required context. Based on that information, the business analyst determines that this is a large project with multiple interfaces which could cost the company money that was not initially included in the budget.
What characteristics of the project are needed to determine the approach so that the business analyst can validate whether they will need to have a discussion about the budget?