Quick Essay Grammar Spelling Review

I need a fresh set of eyes on an essay I’ve drafted and I’m short on time. The only thing I want you to concentrate on is grammar and spelling—no restructuring, no argument tweaks, just a clean, error-free final version... (Budget: $10 - $30 CAD, Jobs: Content Writing, Copy Editing, Document Checking, Editing, English Grammar, English Spelling, Proofreading, Writing)