20-Page Grammar Correction Rewrite

I have a 20-page document that needs a careful rewrite focused solely on eliminating grammar and punctuation errors. The content itself is solid, so I’m not asking for changes to structure, tone, or overall style—just a clean, flawless text that reads smoothly and professionally... (Budget: $250 - $750 USD, Jobs: Article Rewriting, Article Writing, Content Writing, Copy Editing, Editing, Microsoft Word, Proofreading, Technical Writing)