(1) The following amounts for the 2020 - 21 * income year, or a later income year:
(a) the * minimum repayment income;
(b) the amounts referred to in paragraph (a) of the second column of items 1 to 17 of the table in section 154 - 20;
are indexed by multiplying the corresponding amounts for the 2019 - 20 income year by the amount worked out using the formula:
(4) If an amount worked out under this section is an amount made up of dollars and cents, round the amount down to the nearest dollar.