This is a hard, hard situation. You had NOTHING to do with the damage, so you can't take any responsibility for it. Don't let your feelings take you there. The mother and daughter both have to live with the situation. You can be nice to them but don't let it hurt you.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
