Which of the Following Statements Best Illustrates the Changing Scenario

Which of the following statements best illustrates the changing scenario of operations management in American business over the past few decades?

A) The nonfarm labor force is increasingly joining the goods­producing sector.
B) The trend in value chain design now is to rely more on vertical integration and less on outsourcing.
C) There has been a shift from mass customization to mass production.
D) There has been a fundamental shift away from production of goods toward a service­ based economy.