How would you guys respond to this?

Roommate moved his girlfriend in our 2 bedroom 1 bathroom without my permission. How would I negotiate that rent should be split 3 ways if 3 people are living here? We came to an understanding about the bills, but not the rent…

Roommate moved his girlfriend in our 2 bedroom 1 bathroom without my permission. How would I negotiate that rent should be split 3 ways if 3 people are living here? We came to an understanding about the bills, but not the rent…