If the MPC is 0.8, a $20 billion increase in net exports will:

a) Ultimately decrease GDP by $100 billion.

b) Ultimately increase GDP by $100 billion.

c) Ultimately increase GDP by $20 billion.

If Aggregate Supply is $375 billion and Aggregate Demand is $355, what can be said about the price level?

a) It's above the equilibrium.

b) it equals 1.00

c) There is not enough information to determine the answer.