Topic: Subsidiaries of American Airlines Group 
I will have a presentation about subsidiaries of American Airlines Group.
This is link from aa website: https://www.aa.com/i18n/customer-service/about-us/american-airlines-group.jsp 
Can you help me find out information about it.
what those company about
how it contribute profit to AAG
the number, graph to clarify it
how it link to macro economic lesson, or example how learn macro economic class help you understand about this company business… 
I don’t need write like an essay.
Long about 2 pages.