Which of the Following Statements About Canadian Farming Is False

Which of the following statements about Canadian farming is false?

A) The number of Canadians who work on farms has decreased by about 50% since the Second World War.
B) Wheat is not used to manufacture wallboard, toothpaste, plastics, and disposable diapers.
C) Net farm income in Canada has decreased by 50% between 1975 and 2000.
D) In Saskatchewan, farm income represented 2% of total income in 1998 as compared to 50% in 1959.