7. A small manufacturing facility is being planned that will feed parts to three heavy ma facilities The locations of the current plants with their coordinates and volume requirements are given in the following table VOLUM PLANT LOCATION Peoria Decatur Joliet COORDINATES (x, y) (PARTS PER YEAR) 306, 307 373,468 468, 175 4,200 6,150 2,900 Use the centroid method to determine the best location for this new facility. (Round your answers to 1 decimal place.)