The level of aggregate expenditures in the private, closed economy is determined by the: a. expenditures of consumers and businesses. b. intersection of the saving schedule and the 45-degree line. c. equality of the mpc and mps. d. intersection of the saving and consumption schedules.

The correct answer is option A.

Explanation:

In a private closed economy, there is the household sector and the business sector. The level of aggregate expenditure in such an economy is determined by the consumption expenditures of the households and investment expenditure of the businesses.  

The aggregate expenditure will be equal to GDP. At the equilibrium level of GDP, the saving will be equal to investment.

b. take periodic breaks and alternate between tasks.  

will increase work efficiency, and avoid health issues.

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