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. What is 'Project Management'. Project management involves planning and organization of a company's resources to move a specific task, event or duty toward completion. It typically involves a one-time project rather than an ongoing activity, and resources managed include human capital and financial capital.