The indicated shares are agreed for the utlization IN EXCLUSIVE of all the structure shown in the picture. The number of persons who stay in the open space doesn't matter, it can be 1 or 4 since the living unit is only one and it can't be separated.
You will have all the space and will not have to divide it with strangers or other people, so you rent the entire structure included kitchen, bathroom, dining-room.
For longer stays reduction are applied. Breakfast included, prices in euro, value added tax included.
For one night stays maximum fares are applied.