Lets consider a market with both foreign and domestic ie us

Question

Let's consider a market with both foreign and domestic (i.e. U.S.) production. Suppose that domestic (U.S.) demand is given by QD = 6000 - 50P and domestic supply is QS . Foreign producers can supply any quantity at a price of $40.

1. If foreign producers can sell in the domestic market, what is the equilibrium price?What is the equilibrium quantity? How much is sold by domestic and foreign producers, respectively? (5 points)
2. b. Under U.S. government pressure, foreign producers voluntarily agree to restrict their goods. What will happen to the price and quantity? What will happen to the amount that domestic producers supply? What will happen to revenues of domestic and foreign producers? (5 points)