Which of the following is an example of a monopsony? an example of a monopsony is

a. a coal mining firm in a small town in west virginia that is the only employer of labor in that location.

b. a natural monopoly in a small town in washington that is the only supplier of electricity in that location.

c. a public franchise in a small town in virginia that is the only supplier of water in that location.

d. the aluminum company of america, which is the only supplier of aluminum in the u. s.

e. a public enterprise in a small town in florida that is the only supplier of natural gas in that location.