Schema for admission charges

Hi there,

I am searching for a way to represent admission charges for all types of
different venues (public parcs, pools, theme parks etc..).

I found this to be a rather complex topic since there are so many different
rules that can apply (prices depending on age, disability, group prices,
cards, memberships and so on...).

I'd like to find a way in representing these admission charges in a way
that is completely machine readable so that i can find a concrete price for
a person or a group of persons if i provide all relevant information.

My first question is: can you think of a way to represent something like
this with the existing schema.org vocabulary.

Second: Do you thinkl, that this is interesting for enough people to be
added to the standard? If yes, what would be the correct way to propose
schema.org schemas for this?

Thanks,

Christian