Robert, I'd rather have 300 than 0...A couple of bucks here or there is not worth the aggravation you are going through. You know what she owes you, you've received some of it thus far. Continuing to re-hash the situation is not gonna really get you anymore of your money any faster. Sometimes in life unfortunately we have to write off bad debt and keep it moving. Lesson learned..
Its the principle of it. If someone brings back an order, even if they ate a piece, o refund them full. But I'm kinda getting tired of taking hits and learning lessons...