In the context of the multiplier model, which of the following changes would increase equilibrium income by $200 billion if the mpc were 0.80. 1-An increase in aggregate expenditures of $160 billion.

2-An increase in aggregate expenditures of $40 billion.

3-An increase in autonomous expenditures of $200 billion.

4-An increase in autonomous expenditures of $20 billion.​