Please help me find the word for give and take

[TheExMotherInLaw]

I am trying to write an email and can't remember the words I need to use.
I want to write 'You have given two clear options, seemingly with no .. I want to say that there is no room to discuss a middle way, room for manoeuvre, leeway, but that's not quite the word.
Can anyone help, please?

Compromise?.

Compromise?

X-post orange

Or you have presented me with a fait accompli.

repricocity?

Compromise - that was it! Many thanks!
It wasn't on the tip of my tongue; I think it was hiding behind a filling.

Reciprocity.

Flexibility for discussion;
Room for negotiation;
Opportunity to reach mutual agreement?

Slams in with "Hobsons Choice" !