问题：

[问答题]

You are the administrator of a Windows 2000 network. 
You need to store secured files for ExamSheet's engineering and research departments on a Windows 2000 Professional computer.Members of the engineering department often participate in projects with the research department. 
To meet the file storage needs of both departments, the following requirements must be met: 1.Users in the engineering department must have the ability to update the research     department's documents. 
2.Users in the research department should not have the ability to view the engineering     department's documents. 
3.Users in both departments should have the ability to update their own documents. 
4.Users in the development department must have the ability to view both the engineering     and the research department's files. 
You create two shared folders named Engineering and Research and remove the inherited NTFS permissions on each shared folder. You create three groups named Engineering, Research and Development, and add the appropriate user accounts into the appropriate groups. 
You want to grant permissions that meet all of these requirements. You want to ensure that you do not grant more permissions than necessary. What should you do? 
To answer, select the appropriate permission setting for each group and drag the setting under each folder.