Make a case that development economics might be merely a combination of all the other subfields of economics, only applied to low-income countries

In the above figure, what is the amount of the tax per compact disc?

A) $10 B) $20 C) $30 D) $40

Assume that there is a $20 billion increase in government purchases. If MPC = 0.8, the sum of the indirect effect on aggregate demand through induced additional consumption purchases is equal to: a. $16 billion

b. $20 billion. c. $80 billion. d. $100 billion.