I got a house on airbnb that 8 people can stay in. I have a nightly price 200$, so if 8 people are staying they will pay each 25$ p.night. I have rent it 6 times and there have been 5 -8 how have stayed in the house, that means I got 25-40$ p.person/night. How can I change my pricing so each person will pay 40-60$ p.night? Can I have different price for adults and kids?