Don't do this. If it's good, it's good. For crying out loud, you earned 42$ for a year of work with it and he's on a tech minded forum. + If they don't like i

Don't do this. If it's good, it's good. For crying out loud, you earned 42$ for a year of work with it and he's on a tech minded forum. + If they don't like it, they can request their money back afterwards.