Answer the following questions. 
Definitions:
Aggregate Demand Curve
A curve that shows the total spending on goods and services at each price level within an economy.
Autonomous Investment
Investments in an economy that are not influenced by current income levels but are determined by factors like technological changes or policy decisions.
Aggregate Expenditure Curve
A graphical representation that shows the relationship between total spending (consumption, investment, government spending, and net exports) and the level of national income.
Aggregate Demand Curve
A graphical representation showing the relationship between the overall price level in the economy and the total demand for goods and services at that price level.
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