Senator WONG (South Australia—Minister for Finance and Deregulation) (14:03): I think that what we see in that question is the problem with asking a supplementary that you wrote before you listened to the primary answer, because I in fact answered that question in the first answer. He may not have understood it; I shall try it again. It is obviously the case that royalties are able to be deducted or credited against MRRT revenue. The Treasurer was making the point that the government is not providing— Senator Cormann: Why did the Treasurer say they were? What he said was wrong. Just admit it! Senator WONG: Do you want the answer, or do you want to yell at me? Which would you prefer? I can just sit down if you want to yell at me. Senator Ian Macdonald: That was Don Farrell yelling at you! The PRESIDENT: Order! Minister, ignore the interjection. Interjections are disorderly; address the chair. Senator WONG: The Treasurer was making the point yesterday that the government was not providing a refundable credit, as was the case under the RSPT. Instead, royalty credits are used by way of a deductible allowance under the law.