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Question 10 Consider the following graphical LP model where the objective function is to minimize X2. a) Fill in the blanks using the numbers 1, 2, 3, and 4 for the correct constraints. For incorrect constraints, write NA. X1 $ 60 10X1 s 60 X2 X1 - X2 20 2 2X2 s 80 7 D 4 6X1 + 4X2 20 3 C (4X1 + 4X2 2 16 G 1 X1 - X2 so 10X1 + 10X2 2 50 2 A 10X2 2 40 X1 + X2 s 50 5X1 + 5X2 s 50 1 2 3 5 6 7 X1 60X1 + 40X2 s 0 b) Fill in the blank using the correct feasible region (A, B, C, D, E, F, G, H, or 1). c) Is Constraint 4 in the graph binding or non-binding