It means the FOB price, or basically the price without shipping can run from $0.04 to $0.07. The 3 cent spread may have to do with quantity, options, whatever. When you see a listing like that FOB Price means plus shipping. As far as the 3 cent variation, you need to contact them.
A project manager is a professional in the field of project management. Project managers can have the responsibility of the planning, execution, and closing of any project, typically relating to construction industry, engineering, architecture, computing, and telecommunications.
Project Management Subsidiary Plans. A Project Management Plan is a formal, approved document that defines how the project is executed, monitored and controlled (PMBOK Guide 4 th Edition). It can either be at a summary level or detailed and maybe composed of one or more of subsidiary plans depending on the requirements of the project.