Company A acquired Company B. During an initial assessment, the companies discover they are using the same SSO system. To help users with the transition, Company A is requiring the following:

• Before the merger is complete, users from both companies should use a single set of usernames and passwords.

• Users in the same departments should have the same set of rights and privileges, but they should have different sets of rights and privileges if they have different IPs.

• Users from Company B should be able to access Company A's available resources.

Which of the following are the BEST solutions? (Select TWO).