Refer to the figure above. What is the producer surplus before Barylia opens up to free trade?

If autonomous spending decreases, then

A) the expenditure multiplier means that equilibrium expenditure increases by a larger amount. B) the expenditure multiplier means that equilibrium expenditure increases by a smaller amount. C) equilibrium expenditure does not change. D) the expenditure multiplier means that equilibrium expenditure decreases by a larger amount. E) equilibrium expenditure decreases by the same amount.

If the demand shifts, then for a profit maximizing monopolist,

A) price will change while quantity will remain constant. B) price will change and quantity will change. C) Both A and B. D) Neither A nor B.