2 3. What is the break-even level of aggregate income (Y) in Heartland? $ _. Give a specific numerical answer and show clearly how you have found it. Demonstrate this break-even aggregate income in terms of the consumption expenditure (C) schedule on a well-labeled diagram. 60 4. State the aggregate saving (S) function for the economy of Heartland and present it on a well-labeled diagram. Be sure to indicate the intercept as well as the slope of this saving (S) function. Also, show the break-even point and the break-even level of aggregate income (Y) in terms of the saving (S) schedule on your diagram