Who once said that taxes are the price we pay for a civilized society?

Refer to the above figure. If the price level is 80

A) the total planned real expenditures by individuals, businesses, and the government are less than total planned production by firms. B) the aggregate demand curve will automatically shift leading to a stable equilibrium. C) the economy will have economic growth and the new equilibrium price level will be 80. D) the total planned real expenditures by individuals, businesses, and the government exceed total planned production by firms.

If the IS curve is relatively steep, then

A) there can be no long-run tradeoff between inflation and unemployment. B) monetary policy cannot be very effective in changing GDP. C) rational expectations theory is probably correct. D) Ricardian equivalence most likely holds. E) budget deficits will not affect future capital accumulation.