Marking by group
Mark the kitchen while the kitchen is in front of you, and the floor later.
What it does
Put workers into groups, and read the figures by group.
Past about ten workers, one long list stops being useful.
One page with twenty names, and no way to see which side of the shop is which.
Kitchen on one side, service on the other. Mark by group, and read the wage figures by group.
Mark the kitchen while the kitchen is in front of you, and the floor later.
What the kitchen costs you this month, separately from the floor.
Give someone access to the group they actually run.
As many as your shop needs.
It is free, it works with no internet, and setting up your shop takes about three minutes.