After the new tax law was enacted in December 2017, the corporate tax rate changed to a ______ rate, meaning all income levels were taxed at the same rate irrespective of the income levels.

After the new tax law was enacted in December 2017, the corporate tax rate changed to a flat rate, meaning all income levels were taxed at the same rate irrespective of the income levels.

After the new tax law was enacted in December 2017, the corporate tax rate changed to a flat rate, meaning all income levels were taxed at the same rate irrespective of the income levels.