City of Houston is considering the relocation of several police substations to obtain better enforcement in high-crime areas. The locations under consideration together with the areas that can be covered from these locations are given in the following table: Potential location for substitution Areas covered A 1,3,6 B 1,2,5 C 1,2,4 D E F G 3,5,6 1,4,5,7 3,5,6,7 2,5 Formulate an integer programming model that could be used to find the minimum number of locations necessary to provide coverage to all areas. C,E E,F C,F C,D O Solve the problem in Question 5 using Excel, and specify the locations selected.