Answer:
private saving does not change and public saving increases
Explanation:
given data
household saving decreases = $4 million
business saving increases = $4 million
government budget deficit decreases = $4 million
solution
as we know Budget deficit = G - T
and
public saving = T- G
so here we can say deficit decreased means the public saving increased
and
here Private saving is = sum of saving of households + sum of saving of businesses ....................1
Private saving = -4 + 4
Private saving = 0
so that here private saving does not change
private saving does not change and public saving increases