Objectives of a project might be more than one. The stakeholders are the ones who are supposed to earn benefits from a project, but the definition of benefit can be different for different stakeholders as stakeholders are more than one. Quality objectives may differ for different stakeholders as per their needs and requirements from the project. Please go through the link for more details: http://www.pmhut.com/quality-objectives-in-project-management-beauty-is-in-the-eye-of-the-beholder