Negotiating salary before in-person interview for an administrative position
Not sure what your question is. You could respond yes I am interested in continuing the process and see where it leads. Maybe they have some benefits you don't know about. Maybe the job is even cooler than you think. In other words maybe something happens and you are willing to take the job for less money. Then again, maybe things pan out how you expect and you tell them know that you have seen the complete offer and understand the job more, you cannot take it for less than X (whatever that number is, plus some wiggle room).

You could also respond no, because do you really want to put up with crap like that.