For attending an event, which would be at least an hour plus the time to get ready, it is 100€ (one hour) to 150 €.
Then for an additional hour 50 €. The normal thing is to spend about 3 hours at an event, that is, from 250 to 300 €
Per course would have to be negotiated according to scope and times. For example about 4 - 5 hours, from 60 € per person for between 3 to 10 people approximately.