A relative-weighting approach is a technique that assigns numerical values to the benefits and costs of each product feature, and then calculates a score for each feature by dividing the benefits by the costs. The features with the highest scores are considered the most valuable and are prioritized accordingly. This technique is part of the Collect Requirements process, which involves defining and documenting the stakeholders' needs and expectations for the project outcome1. To perform this technique effectively, the project manager should ask the team to perform collaborative work that is coordinated by the project manager. This will ensure that the team members share their inputs, opinions, and preferences, and that the project manager facilitates the process and resolves any conflicts or issues. Relying on the expert judgment of the product owner, using a market-based strategy, or engaging the project sponsor are not the best options, as they may not reflect the views and needs of all the stakeholders, or they may introduce bias or external influences into the prioritization process. References: 1 PMBOKGuide, 6th edition, page 140.