Absolutely ask for more. They never come in with their highest offer. You ever go in buying a car offering the highest you'll pay right off the bat? They won'

Absolutely ask for more. They never come in with their highest offer. You ever go in buying a car offering the highest you'll pay right off the bat? They won't retract the offer or anything. And even if they did, you probably wouldn't want to work for them in the long run, so would be doing you a favor.