[General greetings. Petra puts her cloak, hat, and books on a chair by the door.
Petra.
Here you all are, enjoying yourselves, while I've been out slaving.
Dr. Stockmann.
Well then, you come and enjoy yourself too.
Billing.
May I mix you a little——?
Petra.
[Coming towards the table.] Thank you, I'd rather help myself—you always make it too strong. By the way, father, I have a letter for you.
[Goes to the chair where her things are lying.