ABC Airlines offers both economy class and first class seating. For that particular airplane passenger Spaces is 240m2 and regulations state that no more than 200 passengers can be carried by that airplane. Each economy class seat requires 0.75m2 and each first class seat requires 2m2. The airline charges each passenger $400 for economy and $720 for first class. Assuming is full with paying passengers; determine the combination of seats that yield the most revenue. Perform Sensitivity analysis and interpret the results.