This is only some hypothetical Amateur Math. Hobby Exercise with basic Reality Facts missing !
For example No Share- Or Market- History Facts 2008 until today applied and talking about some Treasury 60 Bn Profit Bla-Bla where they for any Degressive Credits will get only the published % Rate as for any Banks, is also nothing mentioned, Etc.
Be very cautious what You take or use from Message Boards or Forums ! ! !