You are beginning a new project staffed with a virtual team located across five different countries. To help limit conflict and misunderstandings concerning the justification, objectives, and high-level requirements of the project among your team members and their functional managers, you ask the project sponsor to prepare a—

a. Memo to team members informing them that they work for you now

b. Project charter

c. Memo to functional managers informing them that you have authority to direct their employees

d. Human resource management plan