Which of the following statements are true concerning supply chain systems? Shortening the lead times between echelons will typically reduce the bullwhip effect Using customer collaboration techniques like CPFR will typically reduce the bullwhip effect Using point-of-sale or end consumer data for forecasting will typically increase the bullwhip effect Order batching can lead to the bullwhip effect Manufacturer rationing of products can lead to the bullwhip effect to its customers None of the above