I have $2421 settled cash on my margin account on Webull, but I don’t see my margin.

I was using a cash account at first, but then I decided to switch to a margin account. Isn’t the minimum limit 2000 USD, or do I just not understand margins? I am a new trader, and I’m still figuring stuff out. Somebody, please help. My total account value is $3034 $2421 of my cash is settled.