You are the project manager of a critical project in the manufacturing area.  This project has very high visibility and cannot slip the target completion date.  Senior management asked you to help other project manager in the supply chain as well since you are the most experienced PM in the organization.  What will help you BEST to keep focus and quality at the level required that becomes integrated part of the project management plan of the manufacturing project in this scenario:

1.  Cost baseline
2.  Schedule baseline
3.  Quality Responsibility
4.  Scope baseline