Question: Please use the branch-and-bound algorithm to solve the following problem. At each iteration, you can use either Excel Solver or AMPL to solve the LP

Please use the branch-and-bound algorithm to solve the following problem. At each iteration, you can use either Excel Solver or AMPL to solve the LP relaxation problem.

Minimize 7X1+3X2+2X3

subject to:

8X1+5X2+4X321

4X1+2X2+7X318

6X1+3X2+2X335

7X1+6X2+4X357

X1, X2, X30 and integer

(You only need to show me the completed enumeration tree. If you want to, you can draw the enumeration tree on paper, take a picture of it, and insert the picture into this Word document.)

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