Quandry at Yellowstone campground - extra person

Thank you to everyone for talking me off the ledge. I will be taking 7 and surprisingly the kids are all pretty quite in general and always respectful. I plan on dropping some money into some kitty while there though, to clam my conscience.

Now:

cubmaster252 wrote:
The Yellowstone General Store right next to the CG entrance has a great selection of beers if you need to get away from the crowds in your camper.

How are the prices for these beers?

Dean