Which of the following would an economist classify as capital?

A) a $50 bill
B) a corporate bond
C) a post office employee
D) a guitar used by a musician

Capital

Refers to financial assets or the financial value of assets, such as funds held in deposit accounts, as well as the tangible machinery and production equipment used in environments such as factories.

Corporate Bond

A debt security issued by a corporation and sold to investors, promising to pay back with interest at a future date.