Studies on Work Overload in Canada Indicate That

Studies on work overload in Canada indicate that:

A) work overload has increased in Canada over the past decade.
B) Canadians are working more unofficial hours beyond their paid employment than a decade ago.
C) the percentage of Canadians working more than 50 hours per week has increased over the past decade.
D) All of these statements are correct.
E) work overload has increased in Canada over the past decade AND the percentage of Canadians working more than 50 hours per week has increased over the past decade.