Predicting the future
So if whole life costs are not the answer, what is the practical and sensible way to proceed? One answer is to go about the whole process in a clear and evidence-based manner. The following is one way to achieve this, and an attempt to fend off all the inﬂuences that will cause a deviation from the prescribed route. All or part of this process may be followed, and the results will emerge in proportion to the inputs made and effort expended.