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.
Schedule management plan and Schedule baselines from Project management plan are used as inputs for this process. Schedule management plan recommends methods and tools to use, such as Earned Value Management (EVM) and Schedule Variance (SV). Schedule baseline is the reference to compare current project progress against.