FSAirlines

In compiling data for the User Manual I am trying write, I just realized I really don't know the answer to this question:

Exactly what features are part of "Advanced Financials"?

Finance by fleet
Parking Fee's
Service Centers, Warehouses & Offices

and
?????

Additional features are:

Sell loans.
Lease aircraft to other airlines.
Maintenance reduction for aircraft that have not moved in 60 days.

Gold accounts may not use advance finance but do have to pay the parking fees and have the maintenance reduction for aircraft that have not moved.

But finance by fleet is not an advanced finance feature.

Thanks!!