; and (2) by striking it appears. and inserting the following: it appears; (II) beginning on or after January 1, 2020, and before January 1, 2030, 4 percent shall be substituted for 6 percent each place it appears; (III) beginning on or after January 1, 2030, and before January 1, 2035, 3 percent shall be substituted for 6 percent each place it appears; (IV) beginning on or after January 1, 2035, and before January 1, 2040, 2 percent shall be substituted for 6 percent each place it appears; (V) beginning on or after January 1, 2040, and before January 1, 2045, 1 percent shall be substituted for 6 percent each place it appears