Two airline companies with identical cost functions are competing in the market for air travel by investing in airline capacity (airline seats). Let q 1 represent Airline 1's capacity choice and let q 2 represent Airline 2's capacity choice. Airline 1's reaction function is given below: q 1 = 30 - 1 2 q 2 . Airline 2's reaction function is the same with the labels reversed, i.e. q 2 = 30 - 1 2 q 1 The market demand for Airlines is Q = 100 - p , where Q = q 1 + q 2 is the total quantity of airline seat tickets sold and p is the price of an airline ticket. What is the total market quantity, Q * under the Cournot Nash Equilibrium?