estion 8 (5 points) Reasons for differences in variability across the various levels of the supply chain include O 1) Consistently changing estimates of demand means 2) Consistently changing demand variability O 3) Increases in lead times O 4) All of the above O 5) None of the above Save

The correct answer is all of the above. The factors mentioned including changing consistently changing the estimates of the demand means, demand variability and increasing the lead times. When there is pressure provided on different levels of supply chain it does cause problems. It is important to pay attention to maintaining consistency and not keep changing. Playing with the demand variability and remand means causes internal issues. The increase in the lead so has a problem with maintenance of the different levels of supply chain.

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