37. An economy with a marginal propensity to
consume of 0.75 experienced an increase in real
output of $2,400 million. Which of the following
combinations of changes in aggregate spending
could have led to this overall increase in real
output in the short run?
Consumer
Spending
Investment
Spending
A-$400 million $800 million
B
$100 million $250 million
C $200 million $300 million
D $400 million $200 million
E $600 million -$100 million
(A) A
(B) B
(C) C
(D) D
(E) E