Those are mini dogs, probably 2 bites and the beers look to be about 2 ounces. They would never sell 9 hot dogs and 9 beers for $55 at a ball park.
The lowest would probably 9 dogs @ $5 each and 9 beers @ $8 each. $117 at the lowest. And it would probably be the nastiest weiner and Busch beer.