From the article: "The Centers for Disease Control and Prevention said..that keeping middle seats open [on airline flights] could sharply reduce the risk of exposure to the [Covid-19] virus." If...

Extracted text: From the article: "The Centers for Disease Control and Prevention said..that keeping middle seats open [on airline flights] could sharply reduce the risk of exposure to the [Covid-19] virus." If tickets for all middle seats on a flight from Denver to Chicago are not sold: A - the fixed cost of the flight from Denver to Chicago would be less than if tickets for middle seats were sold. B - the profit from the flight from Denver to Chicago would be greater than if all tickets were sold. C - the airline selling the tickets would not be able to make a profit from this flight. D - passengers' willingness to pay for the other seats on the flight would decrease. E - the fixed cost of the flight from Denver to Chicago would not change.