need help verifying these answers.

Marginal Factor Cost (MFC) is O the additional cost generated by producing an additional unit of output. Q) the additional cost generated by employing an additional worker. O The additional revenue generated by employing an additional worker. 0 total cost from the production of a product divided by the total number of workers employed. If monopolies are unregulated they will chose to produce where 0 their average total cost are minimized. 0 their MC is minimized. their MR = MC. 0 their price equals their average total cost