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.​

Rick is a toddler with an easy temperament and active nature. people are often seen stopping to talk to him in supermarkets and parks where his mother takes him in the evenings because he smiles willingly at other children and adults. this aspect of rick’s behavior most likely reflects a(n) active genotype–environment interaction suppressive genotype-environment interaction passive genotype–environment interaction evocative genotype–environment interaction