$20 plus operating costs. That is, the $20 is just the additional cost to pay off the capital cost over $20 years, and doesn't include any of the amount necessary to pay the operating costs.
Airline tickets would be pretty cheap if all they were paying was the 20-year amortized capital cost of the airplanes + airports, too.
Airline tickets would be pretty cheap if all they were paying was the 20-year amortized capital cost of the airplanes + airports, too.