Which of the following is an example of an investment in human capital? a. a firm replaces manually controlled production with a computer controlled procedure. b. a firm pays for workers to take college classes. c. a chemical firm supports research to develop new chemicals. d. a firm purchases new equipment for a manufacturing process.

Option (B) is correct.

Explanation:

Human capital refers to the stock of capital which includes education, creativity, personality attributes, training, skills and knowledge. All of these were contribute towards human capital. If a firm invest in human capital, its primary objective is to improve the skills and knowledge of the workers which helps them in raising productivity.

the correct answer is b.)

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