Crunch!

I was reversing out of a parking space at Sainsbury's today, unaware that a car was moving into the empty space next to me. Crunch! I came off fairly lightly (see photo) but the damage to the side of the other car was greater although not extensive. It's really hard to say who was at fault. I'd say it was probably the other driver, but she  kind of implied that it was me. I think both cars can probably be put right for less than the insurance excess. However, we have exchanged details and the driver of the other car has said she will get her husband to call me this evening. Sounds a bit ominous!