Your company has an Active Directory forest. The forest includes organizational units  corresponding to the following four locations：    
- London  - Chicago  - New York  - Madrid  
Each location has a child organizational unit named Sales. The Sales organizational unit contains  all the users and computers from the sales department.    
The offices in London， Chicago， and New York are connected by T1 connections. The office in  Madrid is connected by a 256-Kbps ISDN connection.    
You need to install an application on all the computers in the sales department.    
Which two actions should you perform（）

Your company has an Active Directory forest. Each branch office has an organizational unit and a  child organizational unit named Sales.    
The Sales organizational unit contains all users and computers of the sales department.    
You need to install a Microsoft Office 2007 application only on the computers in the Sales  organizational unit.  
You create a GPO named SalesApp GPO.    
What should you do next（）