You are the administrator of the eastsim domain, which has two domain controllers. Your Active Directory structure has organizational units (OUs) for each company department. You have assistant administrators who help manage Active Directory objects. For each OU, you grant one of your assistants Full Control over the OU. You come to work one morning to find that while managing some user accounts, the administrator in charge of the Sales OU has deleted the entire OU. You restore the OU and all of its objects from a recent backup. You want to configure the OU to prevent accidental deletion. You edit the OU properties, but can't find the Protect object from accidental deletion setting. What should you do so you can configure this setting