Calculate how "GO DUTCH" in complex situation.
For multi-participants and multi-events with someone attend this event but absent from another....etc.
A,B and C went to have lunch. A paid the bill and B bought 3 cups of drink by cash. After lunch, B and C went for coffe but A didnt attend. After work, A and C played tennis for an hour.
Next day, how they calculate "go dutch" ? This app will offer you an easy way.