The rental of the boat for 2 hours, regardless of the number of people on board, is CHF 240.- (2 hours x CHF 100.- / hours CHF 40.- for the material).
FULL DAY (6 - 7 h)
The only thing you need to bring is the meat and the drink
Food: CHF 29.- / person (meat or vegetarian)
* The total cost will be multiplied by 10 people