% Off when selling parts?

[J&E <ebk@buffnet.net>]

Subject: Re: Windshield Question
>I would suggest looking in a Moss Motors or Victoria British Parts Catalog,
determine its "as new" price, then take a percentage off for the
conditoin
it is in.  That way, you can justify to him why you are asking a certain
price.
-Nathan<

Hi List!
        Question: Would any one care to respond to "What percentage off" you
should take, "for the condition it is in"?
-Cosmo Kramer