What are the legal consequences for carrying a firearm into a federal building in New Hampshire?

Carrying a firearm into a federal building in New Hampshire will result in both a fine and imprisonment, hence it is both A and B. Option D, stating that there are no specific consequences, is incorrect as there are specific penalties for this offense under federal law. Option A, stating only a fine is incorrect as imprisonment is also a consequence. Option B, stating only imprisonment is incorrect as a fine is also a consequence for this offense.