Assume there are no investment projects in the economy that yield an expected rate of return of 25 percent or more. But suppose 16 there are $10 billion of Investment projects yielding expected returns of at least 20 percent; another $10 billion yielding at least 15 percent; another $10 billion yielding at least 10 percent; and so forth. a, Draw this relationship between the expected return and Investment expenditure. 2 points Instructions: Use the tool provided 'ID: to plot the Investment demand curve. Plot 6 points total. 0142:26 30 References Expected rate of return, c , percent Investment (billions of dobars)15 2 points Expected rate of return, 10- 01:52:05 5- 10 20 50 References Investment (billions of dollars) reset b. What will be the equilibrium level of aggregate investment if the real Interest rate is as follows; Instructions: Enter your answers as whole numbers. 15 percent: $ billion. 10 percent $ billion. 5 percent $ billion