8K Audio-Video Sync Export

I have two short projects that were shot in 8 K. Each project contains two MP4 camera files that need to run back-to-back and one separate WAV track captured on a separete audio recorder (RX3 pioneer decks)... (Budget: $30 - $250 AUD, Jobs: Adobe Premiere Pro, After Effects, Audio Editing, Audio Services, Color Grading, DaVinci Resolve, Final Cut Pro, Video Editing, Video Production, Video Services)