Arvind paper products Ltd has two plants located in Mumbai and Kolkata. They distribute paper stocks to four major markets - indore , ahemdabad , baroda and pune. Data on production capacities and wage rate are given in following table with location co-ordinates : Retail Outlet Location Quantity Required x y (tons) Plants Mumbai 58 96 400 Kolkata 80 70 300 Indore 30 120 200 Ahemdabad 90 110 100 Markets Baroda 127 130 300 Pune 65 40 100 Company wishes to find central location between plants and customers to locate warehouse and total transporation cost with per unit Cost Rs 10. Use centre of gravity method .