Answer: Human capital is an intangible assets or quality.employers improve the quality of that capital by investing in employees e.g education, experience, e.t.c.
Explanation: Monica invested in the human capital of her employees by introducing English language training to her employees, giving her driver's branded shirt with company logo. What she has done directly improves the productivity of her employees which yields higher economic value (profits) for her company and the economy as a whole.