Unix Access Control

3) There are two user in the system: user1 and user2.

What privileges should be granted to directory1 and who should be its owner if

user1 should be able to access to stored in directory1 objects? And user1 should be able to list names of this objects in dorectory1, but has no rights to rename, delete or create new files in this directory?

Write answer in format owner:group_of_owners rwxrwxrwx?

Describe why.