Assume that the marginal propensity to save is 0.1 in an economy. To reduce the level of real GDP by $50 billion in that economy to achieve a full employment level of output, it will be necessary to
A) decrease the aggregate expenditures schedule by $50 billion
B) decrease the aggregate expenditures schedule by $5 billion
C) increase the aggregate expenditures schedule by $50 billion
D) increase the aggregate expenditures schedule by $5 billion
Answer: B