Question: [Question 2] Consider the linear programming model below. min X1 + X2 s.t. X1 - X2 S1, -X1 - X2 51, X1, X2 are unrestricted

[Question 2] Consider the linear programming

[Question 2] Consider the linear programming model below. min X1 + X2 s.t. X1 - X2 S1, -X1 - X2 51, X1, X2 are unrestricted in sign. (a) Solve the problem graphically. Explain your findings. [50%] (b) Solve the problem using the Simplex algorithm. Compare the solution found with your answer to question (a). (50%)

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