Suppose Apple plans to produce 9.8 million iPhones this year. The company expects to sell 8.2 million. Suppose that at the end of the year, Apple has sold 8.1 million iPhones. What is the level of planned inventories?

An economy sees consumption increase by $651.9million when disposable income increases by $950.3. Assuming the marginal propensity to consume remains constant, what is the marginal propensity to save?

If MPC in an economy is 0.68 and government spending increases by 1,291, what will overall GDP increase by?