Answer the following questions:
a) In what years were profits for company A the highest?
b) In what years were profits for company B the highest?
c) In what years were profits for company A the lowest?
d) In what years were profits for company B the lowest?
e) What was the first year company B’s profits were higher than company A’s?
Solution:
a) 1991 and 1992
b) 1994
c) 1994
d) 1990
e) 1993