A development company is attempting to determine the location for a new outlet mall. The region where the outlet mall will be constructed includes four towns, which together have a sizable population base. The grid-map coordinates of the four towns and the populations of each are as follows:

a. Determine the best location for the outlet mall using the center-of-gravity method.
b. Plot the four towns and the location of the new mall on a gridmap.

Coordinates Town Four Corners Whitesburg 40 Russellville 0 Whistle Stop 8.5 6.1 7.3 5.9