Using only the portion of the computer output for a linear programming problem presented below. Over what range can the coefficient of x2 vary before the dual price for constraint 2 becomes invalid? Variable Reduced Cost X1 Value 75.0000 100.0000 0.0000 X2 0.0000 Dual Slack or Surplus Constraint # Price 1 0.0000 0.2500 2 0.0000 0.2500 3 25.0000 0.0000 Using only the portion of the computer output for a linear programming problem presented below. Over what range can the coefficient of x2 vary before the dual price for constraint 2 becomes invalid? Variable Reduced Cost X1 Value 75.0000 100.0000 0.0000 X2 0.0000 Dual Slack or Surplus Constraint # Price 1 0.0000 0.2500 2 0.0000 0.2500 3 25.0000 0.0000