How can I turn my fathers 6 figure business into a 7 figure?

I'm 17, my father owns an accounting firm over the past months i've hated working there but now i've been watching all these youtubers having these lambos, some dope ass cribs and i wanna live that lifestyle. That lifestyle is right there for me, i just need to stfu and walk into the door.

10 months ago or something my dad told me to put up an advertisement on facebook, from my own pocket I put in 40 pound and got around 2k visitors and 1-2 clients. Great investment.

Now because i'm super…

How can I turn my fathers 6 figure business into a 7 figure?