I would simply tell her that you understand she's looking for a job, but you just gave her $200, and for that you had to move things around. You are taking care of the bills, but you cannot keep sending extra money.
Me 36 Husband 35 D5 S2 separated: 10/29/07-present Served divorce papers 1/22/09 "When the world gives out beneath your feet, it is time to learn how to fly."