Japan's commercial jetliner market is represented by the following demand curve, $ (millions) TT 40 35 30 25 20 MCBoeing 15 MC Airbus 10 5 MR Demand 10 20 30 40 60 70 80 90 Quantity of jetliners a) Suppose Boeing is the first and only seller of jetliners to Japan's airlines and they face a constant marginal cost of $20 million per jetliner . What are their profits (or producer surplus), excluding fixed costs? What is the consumer surplus of Japan's airlines? What is the total surplus? (10 points) b) Suppose Europe grants a subsidy to Airbus, which becomes a monopoly in the market instead of Boeing. Assume the subsidy is $8 million per jet. What are their profits (or producer surplus), excluding fixed costs? What is the total cost of the subsidy? What is the consumer surplus of Japan's airlines? What is the total surplus? (10 points)