Which of the following best describes "debt"?
A) Debt is a form of financial investment where one earns interest on money lent out to others.
B) Debt is an amount of money that is owed or borrowed and must be repaid, usually with interest, over time.
C) Debt refers to the cash reserves that a company holds for emergency purposes.
D) Debt is the total value of assets owned by an individual or company, excluding liabilities.