Cost of capital—this is the stuff that we need to build houses. This is the stuff that landlords provide to the market to enable houses to be built and tenants to be housed. Now, if the Government wants to put another cost on to the cost of the capital of the landlords, there's only one thing for it—assuming they want to stay in and be bothered with dealing with it—and that is to put the cost up. The revenue has to go up to match the costs on the other side. 