This case study considers the problem of the Mexton machines company which has to decide on the location of a new manufacturing facility for an electric lawnmower which is still in the process of development
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Take one at a time, and explain, based on your model, how changing the estimate affects your decision. For example if 70/30 went to 30/70 or 40/60 went to 60/40 and so on. Also consider extreme cases ( for example 70/30 going to 95/5 or 5/95). If you have your model set up, this should just be a matter of changing specific values and letting your model recalculate.