In answer to all questions, the reply is "yes".
Call them after 6 tonight and the same time tomorrow.
The box office opens at noon on Saturday so stop by.
There may be extra tix floating around and you could buy one off someone. Reread what Munk wrote.
In Stage II seating is general admission. Get in the theatre early and sit in the last row of the center section. There are only 5 rows and the last one sits noticeably higher than the first 4. Clear view of the stage.
"If my life weren't funny, it would just be true. And that would be unacceptable."
--Carrie Fisher