Two fiends rented an apartment, they both signed the lease agreement with the landlord for $1500, both agreed to work and pay each $750, after 3 month one lost his job, and left the apartment, the other wasn't able to pay more than $750, the landlord said he doesn't care, and because he could not pay the full amount, the landlord toke her to the court, because of the breach of contract, how this case be decided, and whether the other friend has to pay or not.