Problem: "congestion at the major airports results in over 25,000 hours of delay per month, inconvenience to the traveling public, and increases the direct operating costs by more than $10 million per month for the domestic airline industry," if you are a management scientist, you need to find ways of relieving the congestion at the airport and thus reduce costly delays. Discuss at least two management science tools, which could be applied to gain insight into the airport congestion problem. Discuss the relative advantages and disadvantages of tools.