Please help with this practice question.

The demand curve for a flight between SF0 and LAX is given by PD = 350 - ZQD. The supply curve for the same ight is given by P5 = 50 + 05. Ifthe price of the ight is set at $200, this will result in a (shortage or surplus) of units. The government provides a subsidy to the sellers of green electricity. This causes the equilibrium price of green electricity to and the equilibrium quantity of green electricity to