9. Environmental Glass Products, Inc. wants to build a new centralized facility to receive household, commercial, and industrial glass for recycling. This center will be supplied by trucks coming from four "collection points," where recyclable glass is dropped off by individuals and businesses. The volume and the map coordinates for the four collection centers are shown below. Where should the collection center be located? Collection point Load (X,Y) Coordinates A 9,000 (4,8) B 4,000 (7,2) C 2,000 (4,1) D 5,000 (7,3)