What is not true about the professional sports stadiums.
A) The most costly stadiums among professional leagues in the US are built for NFL teams.
B) After being built, professional sports stadiums are expected to have positive net effects on local employment.
C) Governments contributed with approximately 50% of the cost of professional sports stadiums between 1990 and 2019.
D) The average cost of professional sports stadiums has increased each decade in each of the four biggest major leagues in the US.