Teen Novel Proofread & Polish

I have a young-adult manuscript of just under 60,000 words that must be fully proof-edited and ready for submission by 15th August. The text is already in solid shape, but I want a meticulous final pass... (Budget: $240 - $2000 HKD, Jobs: Copy Editing, Editing, English (UK) Translator, English Grammar, English Spelling, Microsoft Word, Proofreading)