Question: Problem 2 [8pt]. Consider the following problem. Maximize Z=c1x1+c2x2 subject to a11x1+a12x2b1a21x1+a22x2b2 x10,x20 The estimates and ranges of uncertainty for the parameters are shown in

Problem 2 [8pt]. Consider the following problem.

Problem 2 [8pt]. Consider the following problem. Maximize Z=c1x1+c2x2 subject to a11x1+a12x2b1a21x1+a22x2b2 x10,x20 The estimates and ranges of uncertainty for the parameters are shown in the next table. (a) [4pt] Use the graphical method to solve this model when using the estimates of the parameters. (b) [4pt] Now use robust optimization to formulate a conservative version of this model. Use the graphical method to solve this model. Show the values of Z obtained in parts (a) and (b) and then calculate the percentage change in Z by replacing the original model by the robust optimization model

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