How much to cut a H3 key?

[mountainbiker]

I recently got a key blank, and I was just going to have the key cutting placing at our Wal-Mart cut me a copy of my H3 key. My German is horrible; however, the man told me to cut a normal key would be about 6 euros but to do this key it would be about 90 euros. The book he showed me had two key cutting prices. I know he was not trying to take advantage of me; however, I am not sure if he is correct in that the H3 key would require this special key cutting process or maybe he thought the key was something that it is not.