Which additional information, if presented in
figure 2, would be most useful in evaluating the
statement in lines 57-60 ("Productivity . . . jobs")?
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