In the backend, in "Contracts" -> List -> Show, the value of a contract is always displayed as 0.
Example:
Detailed contract information
Customer: fgbghfbd
Room: Appartement
Total: 0.00 Eur
Arrival: 14.07.2009
Departure: 21.07.2009
Adults: 1
Children: 0
Pending: 1
Addons: