Google Sheet Formula Expert

I need someone whom can help me formulate formula in my google sheet.

I will pay about $2-$5 per formula depends on the complexicity.

Here's one of the formula needed:
https://docs.google.com/spreadsheets/d/1_CMAgveAkgS56AEKo-vUJTnF7nrXbkg90nKk_FR1Wb0/edit?gid=0#gid=0

I just expect a very responsive, agile and fast work delivery Freelancer.