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6. Which of the following causes supply chain risk; A) Lean manufiacturing. B) Global optimisation. C) Product design. D) Smart pricing. E.) All of the above. 7. Coca cola co-produces in advance based on the demand forecast. Coca cola co follows; A) Backorder fluctuation. B) Make to order. C) Make to stock. D) Forecast is not the only source of variation E) None of the above. 8- When the level of commitment is high and the option level is low, then which one of the following is correct; A) The supplier will hold the inventory risk. B) The buyer will hold the inventory risk. C) The buyer will hold price and shortage risk. D) The supplier will hold price and shortage risk. E) None of the above. 9- Which contract requires the manufacturer to share its production cost information; A) Buyback contract. B) Bay back contact. C) Revenue sharing contract. D) Flexible contract. E) None of the above. 10- The contract(s) when the supplier is make to stock and buyer is make to order is/are; A) Buyback contract. B) Bay back contact. C) Revenue sharing contract. D) Flexible contract. E) None of the above