I wish they had been more clear, sorry about that (I'll send them the equivalent of a pull request): you pay for Dataproc at a rate of $.01/"core"/hour regardle

I wish they had been more clear, sorry about that (I'll send them the equivalent of a pull request): you pay for Dataproc at a rate of $.01/"core"/hour regardless of which instance shape you use. However, you still pay for the underlying compute and storage; $.01/core/hour is the "service" fee.