Which of the following is TRUE concerning equilibrium in a monopsonist

Which of the following is TRUE concerning equilibrium in a monopsonistic factor market?

A) The firm uses the efficient level of the input but does not maximize profit.
B) The firm maximizes profit but does not use the efficient level of the input.
C) The firm maximizes profit and uses the efficient level of the input.
D) The firm either maximizes profit or uses the efficient level of the input, but it cannot do both at the same time.

ANSWER

B