Select all the correct answers. Emma has developed a new software application. While developing the application, she used open source code that was licensed under
GNU GPL. Which three of the following are required by the terms of the license?
O licensing the new application under GNU GPL
restricting use of the new application to noncommercial purposes
Opermitting others to copy the source code of the new application
making the new application available free of cost to users
Opermitting others to modify the source code of the new application