If the government announces a big tax cut, which of the following combinations of events would be most likely to occur?
a) An upward shift of the aggregate expenditure line (Keynesian AD), a rightward shift in the money demand curve, and a rightward shift of the aggregate demand curve (the AS/AD)
b) A downward shift of the aggregate expenditure line, a leftward shift in the money demand curve, and a leftward shift of the aggregate demand curve
c) An upward shift of the aggregate expenditure line, a leftward shift in the money demand curve, and a rightward shift of the aggregate demand curve
d) A downward shift of the aggregate expenditure line, a rightward shift in the money demand curve, and a rightward shift of the aggregate demand curve