Hey, very nice controlling, but i do have a few points for you:
That maintain slowest practical speed was not needed, in that case if you see that an aircraft has turned base too close to me and is going to catch up then you can issue an extend downwind command.
The runway exit command was a bit too late, watch aircrafts speed as they touch down on the runway.
And finally the transition altitude was too low on this one, 4000ft would’ve been perfect, take a look at this guide for more info:
But other than that everything was spot on, keep training and you’ll be there in no time! 🙂