Question: Use the dual simplex method manually to solve the following problem. Minimize Z 7x1 2x2 5x3 4x4, subject to 2x1

Use the dual simplex method manually to solve the following problem.

Minimize Z  7x1  2x2  5x3  4x4, subject to 2x1  4x2  7x3  x4 5 8x1  4x2  6x3  4x4 8 3x1  8x2  x3  4x4 4 and xj 0, for j  1, 2, 3, 4.

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