You have a single server that has Exchange Server 2007 with Service Pack 1 (SP1) installed. You create and mail-enable a new public folder named Sales. Users report that they are unable to view Sales. You need to ensure that all users are able to access Sales. What should you do?

A.
Run the Set-PublicFolder cmdlet

B.
Run the Add-PublicFolderClientPermission cmdlet

C.
Run the Add-PublicFolderAdministratorPermission cmdlet

D.
Run the Update-PublicFolderHierarchy cmdlet

E.
Create a new security group and add all users to this group