The project team should consult with the business owner to discuss possible trade-offs when prioritizing requirements. Trade-offs are compromises or concessions that are made to balance conflicting or competing factors or criteria. Trade-offs can help to resolve disagreements or disputes among stakeholders regarding the relative importance or urgency of requirements. Requirements are conditions or capabilities that a stakeholder needs or wants from a solution.

The other options are incorrect because:

Option A is incorrect because changing the priority of the requirements by performing a ranking is not a collaborative technique, but an analytical technique. Ranking is a method of assigning scores or values to requirements based on predefined criteria or scales. Ranking can help to compare and order requirements according to their significance or relevance for a solution, but it does not involve stakeholder input or feedback.

Option C is incorrect because implementing the requirements that the project team considers important is not a collaborative technique, but an authoritative technique. Authoritative techniques are based on the power or influence of a single person or group over others. Authoritative techniques can help to expedite or simplify the decision-making process, but they may not reflect the consensus or agreement of all stakeholders.

Option D is incorrect because executing the requirements that the business owner identified is not a collaborative technique, but an authoritative technique. Authoritative techniques are based on the power or influence of a single person or group over others. Authoritative techniques can help to expedite or simplify the decision-making process, but they may not reflect the consensus or agreement of all stakeholders.

References:

BABOK Guide v3, section 10.43: Prioritization

CCBA Exam Questions, question 6