meeting that he thought that the process of fixing milk prices would of necessity continue to be more in the nature of bargaining rather than precise costing. As I understand it a bargain was made last February and the farmers were told that if their increase in costs exceeded the increase in prices there would be a retrospective adjustment. In these circumstances the terms of the pledge did not seem to me to require that any particular method of measuring costs should be used, and even if we use the method proposed by the Minister of Food it is not clear that any retrospective adjustment is really required.