You are the head of purchasing for a large automobile manufacturing firm in Detroit, Michigan.

You are responsible for sourcing and purchasing hundreds of components, parts and other supplies from hundreds of different vendors around the world.

You are leading a company-wide project with the primary objective of improving your firm's ability to collaborate with its vendors on projects and to share information with them more efficiently.

Which of the following forms of B2B e-marketing should you implement to achieve the objective of this project?

a. Intranets
b. E-procurement
c. Virtual Private Networks
d. Private Exchanges
e. Electronic Data Interchange