Explain one way in which hiring an additional worker could lead to an increase in human capital.

A. Hiring an additional worker could lead to an increase in human capital if the firm were able to make a profit from the productivity of the new worker.

B. Hiring an additional worker could lead to an increase in human capital if the worker were able to produce more output per number of labor hours worked than other workers.

C. Hiring an additional worker alone will lead to an increase in human capital.

D. Hiring an additional worker could lead to an increase in human capital if the worker were to bring new skills and experience that can be taught to other workers.