One person
Nothing
Motorcycle
Nothing
Motorcycle
Nothing
Car
Nothing
One person
Two persons
One person
One person and a motorcycle
One person
Nothing
Motorcycle
One person
One person and two motorcycles
Two persons
One person
One person and a motorcycle
Two persons
One person
It seems to me you wouldn't really need public testing yet at this early stage of development. At a minimum, I would expect it to count the people correctly and get rid of the motorcycles, i.e. basic perception.
https://www.postbank.de/dam/postbank/pdf/privatkunden/Postba... https://www.deutsche-bank.de/dam/deutschebank/de/shared/pdf/... https://www.commerzbank.de/portal/media/efw-dokumente/preisa... https://www.hypovereinsbank.de/content/dam/hypovereinsbank/s... https://www.ing.de/girokonto/konditionen/ https://www.diebank.de/content/dam/f0032-0/PDF_neu/preisaush... (Volksbank) https://www.ksklb.de/content/dam/myif/ksk-ludwigsburg/work/d... (LBBW)
In this sample, if overdraft is enabled, you pay up to 15% p.a., if disabled the cancellation fee is up to 2€ for the postal notice, but mostly just porto (0,80€).