Which concept is the major difference in the definition between logistics and supply chain management? A) Planning the efficient distribution flow B) Conforming to customer's requirement C) Collaboration and integration among supply chain members D) Controlling information flow from suppliers to customers Which concept is consistent with a pull strategy? A) Build to forecast B) Build to demand C) Build to stock D) Build to uncertainty One supplier provides a full refund for returned items as long as the number of returns is no larger than a certain quantity. This type of supply contract is called: A) Buy-back contract B) Revenue-sharing contracts C) Quantity-flexibility contracts D) Sales rebate contracts