She'd done her homework, and Charles was reluctantly impressed. The recording would hold up in the Wizengamot, and while he knew he himself could get out of anything sticky, there were players out there who could not, and were as of yet useful to him. Therefore, it was in his best interest to make this little girl happy, and Charles was nothing if not interested in his own survival above all others.
"Well, my dear, this tea has been very interesting for us both, and while I enjoy your company I'm sure you have better things to do than keep an old man company," he said, finishing his tea and placing it on the tray. "I look forward to our mutually beneficial arrangement." At least for the foreseeable future. At the moment, the benefits of giving her what she wanted outweighed any consequences of not following through, but that might not be the case forever.