When a clerk gives you a pair of jeans for your $50 bill, money is serving which function?

If a country's exports are worth $5 billion and its imports are worth $3.9 billion, the country experiences a ________

A) trade surplus B) budget deficit C) trade deficit D) budget surplus

The extent to which investment spending changes with changes to income is called the:

A) marginal propensity to consume. B) marginal propensity to save. C) marginal propensity to import. D) marginal propensity to invest.