As a planner for the Company, you are given co-ordinates for 3 retail site location s A , B and C as ( 50, 60 ), ( 20, 35 ), (160, 50 ) respectively. Corresponding monthly demands for these locations are 494000,, 18000, 171000 units respectively. Determine the co-ordinates of best location of a Warehouse to the above retail stores— applying Centroid method. ( Show detailed Calculation & represent graphically. )