Troy Hardware Inc. Montreal based company deliver their products five retail stores in Ontario. Mark Winder, CEO has decided to open a distribution centre in Ontario because of high transportation cost and service level issues. With this new DC Troy Hardware planning to give better service to all customers located in Ontario currently getting service from Montreal. The location of each retail stores, their demands and distance to each other are given on the graph. Mark Winder, CEO of Troy Hardware trying to find the lowest-cost location for new DC. Help to Mark to find best DC location and total supply chain cost using Daskin's column total method. Demands are pallet of products sold each week