Senator Carr: The Minister for Immigration and Citizenship has provided the following answer to the honourable senator's question: (1) As at 8 November 2011, 408 mattresses have been supplied to the Pontville Immigration Detention Centre. (2) Yes. The mattress contract is for a period of 6 months. (3) Yes. (a) Payments are made monthly. (b) Payments are made on presentation of an invoice.