Dean Air Uses a Linear Programming Model to Schedule Flights

Multiple Choice

Dean Air uses a linear programming model to schedule flights, assign crews and meet passenger demand.The objective function is to minimize downtime.Constraints include a limit on pilot hours, meeting passenger demand, and scheduled downtime.Which of the following cannot be accomplished with sensitivity analysis?

A) Add a constraint of airport gate usage.
B) Change the objective to maximize profits.
C) Increase values for demand.
D) Drop the crew assignment constraint from the model.