I'd say Bout a pound in 8-10 weeks if all well But really, it's a nice healthy young plant. You're Soil mix looks ok. Give her More Than Ample lighting and she might kick ya some good Herb in return.
And BTW, WELCOME TO @420 there @Free smoke! It's a Great Site around here. Not everyone is Smart Ass like me There's Many folks, me included who love to help others Grow and answer any questions you might have..