The factors of production - land, labor, capital, and entrepreneurship - go into making all things that are made to be sold to you. Which of these is an example of "labor"?

A) money

B) hammer

C) gold mine

D) police officer

Hint: "Human Resources" is another term for " labor".

D. Police officer.

Explanation: Among the given options police officer is considered as a labor resource. Human resource includes all humans involve in the process of production or in any service work. So among the given options police officer is a human and involve in a work considered as lobar (labor is another term of human resource).

it was D) police officer