Multiple choice:- tax revenues and government spending both vary inversely with GDP.- tax revenues and government spending both vary directly with GDP.- tax revenues vary directly with GDP. but government spending is independent of GDP.- government spending varles directly with GDP. but tax revenues are independent of GDP.

500 400 300 200 G 100 0 $100 200 300 400 500 500 700 103 900 Refer to the diagram. In which Is tax revenues and Gle government expenditures. All figures are In billions. In this economy