Derived pricing in Caterbook is very powerful.
1. The Room Types in one Rate plan can inherit pricing from the same Room Types in another Rate plan.
You can set an offset either as a fixed percentage or increment value.
2. The Room Types in a Rate plan can inherit pricing from another Room type within that same Rate plan.
In this case, the offset is per person, either as a % or set amount.
The following video illustrates how to set this up: