The party has just begun Dungeon of the Mad Mage. After their first trip down the well, they have sensibly taken Durnan up on his offer of rooms in the Yawning Portal where they can stay in between expeditions.
In deciding how much to charge them, I am wondering what "Lifestyle Expenses" the Yawning Portal would be considered, and leaning towards "Comfortable" if they share a room or "Wealthy" if they get private rooms and additional services, but "Aristocratic" would not be available, nor "Modest" and below (unless they somehow took a position as waitstaff and stayed in servant's quarters).
I have looked through Dungeon of the Mad Mage (which I have on roll20, making it difficult to search), as well as pages 6 and 7 of Tales of the Yawning Portal, but I am not finding anything about costs or services associated with the Inn.
I am wondering if there is any canon source for such things.
5e is preferred, but any edition is acceptable.