[sjs382]

They do and they have a pretty nice calculator, too: https://fi.google.com/about/plan/

For 6 users, the max you will pay will be $275 (data is free after 18GB), minimum $95 (no data used).

For 4 users, the max you will pay will be $205 (data is free after 14GB), minimum $65 (no data used).

For 2 users, the max you will pay will be $135 (data is free after 10GB), minimum $35 (no data used).