Consider this matrix. (a) Remove any dominated columns, and write the resulting matrix. (b) Remove any dominated rows from the matrix in part (a), and write the resulting matrix. (c) Remove any dominated columns from the matrix in part (b), and write the resulting matrix. (d) Remove any dominated rows from the matrix in part (c), and write the resulting matrix. Verify that the only entry left is the saddle point. 9 7 -5 3 6 5 0 5 8 - -5 -7 9

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