The degree of effort (and cost) devoted to forecasting within organisations is often contentious. 'It is important for forecasts to be as accurate as possible. Otherwise we invariably end up with too much capacity or, too little'. 'Demand will always be uncertain, that is the nature of demand. The only way to guarantee customer satisfaction is make the operation sufficiently responsive to cope with demand, irrespective of any fluctuation'. Discuss these opposing views in detail.