1 pts Question 10 Grave city is considering the relocation of several police substations to obtain better enforcement inhich crime areas. The locations under consideration together with the areas covered 17 areas in total) are tabulated below Potential substation Areas covered locations A 15,7 8 1.2.5.2 1.35 D 2.4.5 E 3,4,6 F 4,5,6 G 1.5.6.7 There are two additional factors to be considered NOTE 1: At each of location. A through a police substation can be located or not. Moreover the cost of opening a substation at a particular substation differs from sa through The locations at CD, F and cost the least (treat the cost of opening a substation at CD. For 1 unit). The cost to open at Ais 7 times the cost at cu 7 units) and the cost to open at B is thrice the cost at C-3 units). The cost to open als 4 units. NOTE 2. Are 1.4 and are high crime areas. In particular, arca 1 requires two separate substation to cover it, area requires 3 substations to cover it and are also requires 2 separate substations to cover it We will denote the decision variables simply as A, B, C, D, E, F and instead of XA XBeto. Which of the following statements is true? OG 2 constant OD E F G is a constraint O A7 is contra A++G2 is a constraint