Portions of the solution are reproduced below:

Optimal solution found at step:        35

Objective value:                 0.000000

 

        Variable           Value

      WWT( LONG)        7.000000

    WWT( MEDIUM)        2.000000

     WWT( SHORT)        0.000000

      PWT( HIGH)        0.000000

    PWT( MEDIUM)        1.000000

       PWT( LOW)        4.000000

Solution: CONJNT

Short, medium and long warranties rate utilities of 0, 2 and 7, while high, medium and low prices rate utilities of 0, 1, and 4. Note that, given the objective value of zero, this utility weighting scheme exactly predicts preferences for each pair of product configurations.