What should you do before adding App1 to the image?

Your network contains an Active Directory domain named contoso.com.
You have an image of Windows 8 Enterprise that you plan to use as a template to provision new client computers.
You have an internally developed Windows Store line-of-business application named App1 that must be added to the image.
You need to include App1 in the image. The solution must ensure that users can run App1 after the image is deployed to their desktop computer.
What should you do before adding App1 to the image? (Each correct answer presents part of the solution. Choose all that apply.)
A. Join the users’ computers to the domain.
B. Create an XAP file for Appl.
C. Create a Windows Installer package for App1.
D. Sign the application by using a trusted certificate.
E. Modify the AllowAllTrustedApps registry value.