Which of the following is true about the bullwhip effect?
Group of answer choices
A.) The bullwhip effect can be eliminated by hiring better managers.
B.) Greater coordination by feeding back actual demand information throughout the supply chain can reduce the bullwhip effect.
C.) Small changes in demand at the retail level create even smaller changes in orders back up the supply chain.
D.) Increases in total replenishment lead times will tend to reduce the bullwhip effect.