Rule: one service fee a ticket, $1 at club prices, stepping up by 50¢ only when a dollar would not cover the card. It is the only thing added to face value, and it is shown by name. Order fees, facility charges and delivery fees do not exist here.
Assumption: the agency 10% comes off gross before costs; sound and any venue share come out before the artist pool. Whether the venue is in the split at all is set per event, because the vault says it is undecided.
Still open, in docs/OPEN-QUESTIONS.md: who holds the money between sale and payout, the real capacities and age policies of every room, and whether Spacecamp donations should ever enter the split.