Which of the Following Statements Is True

Which of the following statements is true?

A) Municipalities are never willing to use tax abatement to attract new businesses.
B) The Tax Reform Act of 1986 raised the maximum tax rate on incomes to 70 percent.
C) Many large U.S. cities are having difficulties raising revenues because of declining affluent populations and the departure of businesses to other locations.
D) All of the above.