Assume the MPC is 0.75. Assume there is a multiplier effect and that the total crowding-out effect is $6 billion. An increase in government purchases of $10 billion will shift aggregate demand to the a. left by $24 billion. b. right by $34 billion. c. left by $36 billion. d. right by $36 billion.

The common stock and debt of northern sludge are valued at $65 million and $35 million, respectively. investors currently require a return of 15.9% on the common stock and a return of 7.8% on the debt. if northern sludge issues an additional $14 million of common stock and uses this money to retire debt, what happens to the expected return on the stock? assume that the change in capital structure does not affect the interest rate on northern’s debt and that there are no taxes.