A department store chain will build a new warehouse. The coordinates of their five department stores are located in the table below. Department stores 1-4 need the same amount of goods each week. Department store No. 5 needs the same amount of goods as the other four department stores combined. Department store x y 1 7 4 2 4 2 3 3 7 4 2 7 5 12 3 Use the center of gravity model to find the center of gravity of the transport need. What will it be?