Each family's share per item, with a subtotal at the end of each group and a grand total at the bottom.
Item
Pettingill
Trewin
Brunato
Total
Money owed
Same items and groups as Costs, adjusted for what's already settled: the Tango Hotel 70% balance is left out (not due until check-in), and Nozawa reflects that Trewin paid for it — a negative figure reduces what that family owes Pettingill.