Which additional information, if presented in figure 2, would be most useful in evaluating the statement "Productivity is at record levels, innovation has never been faster, and yet at the same time, we have a falling median income and we have fewer jobs. People are falling behind because technology is advancing so fast and our skills and organizations aren’t keeping up. " (in paragraph 4)?
A.
The median income of employees as it compares across all three countries in a single year
B.
The number of people employed in factories from 1960 to 2011
C.
The types of organizations at which output of employed persons was measured
D.
The kinds of manufacturing tasks most frequently taken over by machines