Consider 2 airplane manufacturers that compete as cournot duopolists in the market for commercial aircraft. arrowing (firm a) has a cost function given by =whereas skytrain (firm s) has a cost function given by ) =. the market demand function for commercial airliners is given by: = − where is the sum of the quantity of planes available for purchase. a) if the two companies choose the quantities of trips supplied simultaneously, find the cournot equilibrium quantities supplied for each firm and the equilibrium price. b) suppose that firm a has the opportunity to choose their quantity of trips first, so that they are a stackelberg leader. find the ne to this game.

Now ray has had the tires for two months and he notices that the tread has started to pull away from the tire. he has already contacted the place who sold the tires and calmly and accurately explained the problem. they didn’t him because they no longer carry that tire. so he talked with the manager and he still did not get the tire replaced. his consumer rights are being violated. pretend you are ray and write a letter to the company’s headquarters. here are some points to keep in mind when writing the letter: include your name, address, and account number, if appropriate. describe your purchase (name of product, serial numbers, date and location of purchase). state the problem and give the history of how you tried to resolve the problem. ask for a specific action. include how you can be reached.