Refer to the table below . Which product is most responsive to a change in income?

The money multiplier determines how much

A) real GDP will be expanded given an increase in autonomous investment. B) the monetary base will be expanded given a change in the quantity of money. C) the quantity of money will be expanded given a change in the monetary base. D) money demand will expand given a change in the quantity of money.

If the income multiplier is 2 and the equilibrium national income level is $8,000 billion, then a $500 billion decrease in aggregate expenditure will cause

a. the aggregate expenditure curve to shift to the right and national income to increase by $1,000 billion b. the aggregate expenditure curve to shift to the left and national income to decrease by $1,000 billion c. the aggregate expenditure curve to shift to the right and national income to increase by $2,000 billion d. the aggregate expenditure curve to remain unchanged but an upward movement along the curve that shows a $2,000 increase in national income e. the aggregate expenditure curve to remain unchanged but an upward movement along the curve that shows a $2,000 decrease in national income