She is using, what is called the 'Door-in-the-Face' technique
Door-in-the-Face (DITF) is a technique where the persuader presents an almost impossible request that you most probably will ignore (the door in the face).
The persuader then follows this with a smaller request, which the other person assumes as a relatively better deal to take up.
This is contrast to the Foot-in-the-door technique where the persuader starts with a small request and gradually asks for more
