How much money do book editors make on average?

Here is a question someone asked about making money:
I would like to be a book editor when I graduate from college, but I was wondering how much money do book editors make on average? I’m asking because I want to be able to live pretty comfortably (a nice house/appartment, food, heating, pets, etc) on my own, and I want to know if I would have enough money to do that. Also, should I major in English? I know that sounds like a stupid question, but is it usually required that the person wanting to be a book editor majored in English? Thank you!

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