answer all clearly with short explaintion please

1) For low-cost strategy, Businesses should build a supply chain with A) product development skills B) higher advertising budget C) faster transportation D) lower inventory E) buffer stock 2) Incorrect statement for center-of-gravity method? A) The weights used are the quantity of goods moved to or from each location. B) The optimal - and y-coordinates are calculated separately. C) The optimal solution is unconstrained, so it could suggest a location in the middle of a body of water. D) It is designed to minimize the maximum possible travel distance to any of the locations. E) The origin of the coordinate system and the scale used are arbitrary, just as long as the relative distances are correctly represented. 3) Can the bullwhip effect occur when orders decrease? Yes No or 4) In inventory models, high holding costs do not favor high inventory levels? TRUE FALSE or 5) Which of the following statements regarding Amazon.com is FALSE? A) The company was opened by Jeff Bezos in 1995, B) The company was founded as a "virtual" retailer with no inventory The company is now a world-class leader in warehouse automation and management, D) Amazon obtains its competitive advantage mainly through effective worker scheduling E). The company uses both United Parcel Service and the U.S. Postal Service as shippers