What you're suggesting, then, is that Frankfurt would receive through IAL money from the MBB commissions, from the Airbus commissions, from Thyssen commissions, and they would not all have gone from Frankfurt necessarily to GCI. Some may have gone to the principals of GCI directly?
Evidence of meeting #8 for Access to Information, Privacy and Ethics in the 39th Parliament, 2nd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was money.
A recording is available from Parliament.