Senator GALLAGHER (Australian Capital Territory—Minister for the Public Service, Minister for Finance, Minister for Women, Manager of Government Business in the Senate and Vice-President of the Executive Council) (14:55): Thank you very much, Senator Rennick, and I am— Senator Rennick interjecting— Honourable senators interjecting— Senator GALLAGHER: Senator Rennick has become a lot chattier since he left the opposition benches, that's for sure. Senator Rennick, I don't have the answer to that question with me. But, in a general sense— Senator Wong interjecting— The PRESIDENT: Order, Senator Wong. Order. Senator GALLAGHER: The approach that the government takes, when we look at all of our tax base, essentially, and the different measures we have—and there are a range of different exemptions and treatments, depending, as you pointed out, on what part of that base you're from, whether you're an individual taxpayer or a business taxpayer, and some of the different exemptions that exist. We do constantly look at ways to make sure that it's fair for all and that there is a level playing field, but I will come back, Senator Rennick, if there's more I can— (Time expired)