Document Retyping and proofreading

I have an academic paper in Science and Technology already typed in Word, but the file is cluttered with formatting glitches, inconsistent fonts, and a few sections that were copy-pasted from different drafts... (Budget: $250 - $750 CAD, Jobs: Academic Writing, Copy Editing, Editing, English (US) Translator, English Spelling, Proofreading, Technical Writing, Word, Word Processing)