Here is a responce I got:
I am a seasoned writer, former newsletter editor and computer/business consultant with strong writing/communication skills, available for freelance projects.
Technical writing, business writing, some copy writing, articles, content, proof reading, editing and business consulting.
Basic Editing Rate (grammar, punctuation, spelling, general flow)
$7.00 per page for the following page dimensions:
8-1/2 X 11, 12 pt. font, double-spaced, 1.25 margins on all four sides
(Approx. 250 words)