Polish Audio for 8-Min Video

I have an 8-minute interview video that suffers from steady background noise, occasional outdoor ambience, and a light indoor hum from a water fountaom. I need the audio track cleaned so the conversation sounds clear and professional throughout... (Budget: $30 - $250 AUD, Jobs: Audio Editing, Audio Engineering, Audio Processing, Audio Production, Audio Services, DaVinci Resolve, Sound Design, Sound Engineering, Video Editing, Video Production)