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I've had my first accident. It was minor and thankfully only body work. :( My question is this: Now the car will have a CarFax history as to being in an accident. How do I calculate the loss of value to include that in my claim?

Greetings all, Prospective Genesis Owner here (looking to get a 2013 Coupe and a 2012 Sedan for the wife and me). I've been weighing the pros and cons of leasing vs. buying and thought I knew what I was looking at until I realized that New York does some wonky things with tax calculation for...