A small manufacturing facility is being planned that will feed parts to three heavy manufacturing facilities. The locations of the current plants with their coordinates and volume requirements are given in the following table: VOLUME PLANT LOCATION COORDINATES (x, y) (PARTS PER YEAR) Peoria 291, 299 4,300 Decatur Joliet 381, 473 5,950 464, 178 3,050 Use the centroid method to determine the best location for this new facility. (Round your answers to 1 decimal place.) Cx 378.7 Cy 316.7