Assume that full-employment real GDP is Y=$1,200 billion, the current equilibrium real GDP is Y=$1,600, and the MPC= 0.8. To bring the economy to full employment real GDP,
a. a recessionary gap must be bridged by increasing aggregate expenditures by $80 billion.
b. an inflationary gap must be bridged by cutting aggregate expenditures by $80 billion.
c. nothing is needed to bring the economy into full-employment equilibrium.
d. a recessionary gap must be bridged by increasing aggregate expenditures by $400 billion.
e. an inflationary gap must be bridged by cutting aggregate expenditure by $400 billion.