Mr HOCKEY (North Sydney) (14:16): Madam Deputy Speaker, I ask a supplementary question. Will the Treasurer rule out tax increases to pay for his $120 billion black hole? Government members interjecting— The DEPUTY SPEAKER ( Ms AE Burke ): Order! Dr Emerson interjecting— The DEPUTY SPEAKER: The minister for trade is not assisting the operations of the parliament. The Acting Prime Minister, in his capacity as Treasurer, has the call.