Hermione looked just as surprised as Ron as he spoke, though she recovered much quicker and her face broke into a smile at his words. "Well, so do you," she countered. "Plus a paycheck." It was a sweet thing to say, but it wasn't overly persuasive.
Following him into what had to be his vault, she glanced around once and then shrugged. "Dinner probably won't cost that much, depending on where we go. How much do you think you want just for incidentals?"