When the U.S. government is in debt during a given year, it follows that its budget is in deficit for that year

The theory of consumer behavior assumes that:

A. consumers behave rationally, attempting to maximize their satisfaction. B. consumers have unlimited money incomes. C. consumers do not know how much marginal utility they obtain from successive units of various products. D. marginal utility is constant.

Excess reserves are put to use by a bank when it

A. puts cash in the vault to back existing loans. B. pays off the mortgage on its building. C. sells government securities. D. makes loans to its customers.