The Mirror reports according to the book, 'Football Leaks: The Dirty Business of Football', the Brazilian earns a basic wage of £68,085-a-week - and a lot more in bonuses.
He allegedly earned £25,000 for each of his first five goals, £45,000 for each of his goals between six and 10, and £65,000 from 11 to 15.
Against Swansea he netted number 15 and 16 in the Champions League and Premier League combined, which, fortunately for Firmino, triggered a new bonus that saw him earn £85,000 for his second goal.
This means that in the one game against the Welsh outfit he more than doubled his wage - bringing home £150,000 in bonuses. That's Christmas paid for then.