Which of the following statement is true?

Select one:

a.Other things being equal, an increase in population raises the average standard of living in an economy,

b.In 1900, the Canadian economy produced only 12 % as much per person as it did in 2011.

c.the median Canadian household income in 2011 was $70,000

d.Answers (a), (b) and (c) are all true.

e.Answers (b) and (c) are both true.