Which of the Following Statements About Canadian Farming Is False

Which of the following statements about Canadian farming is false?

A) In Saskatchewan, farm income represented 20% of total income in 1998 as compared to 50% in 1959.
B) Net farm income in Canada has decreased by 50% between 1975 and 2000.
C) The number of Canadians who work on farms has decreased by about 74% since the
Second World War.
D) Wheat is not used to manufacture wallboard, toothpaste, plastics, and disposable diapers.