The Commission in the performance of the functions assigned to it by section 10C shall make recommendations to the Minister regarding the national minimum hourly rate of pay that -
(a) is designed to assist as many low paid workers as is reasonably practicable,
(b) is set at a rate that is both fair and sustainable,
(c) where adjustment is appropriate, is adjusted incrementally, and
(d) over time, is progressively increased,
without creating significant adverse consequences for employment or competitiveness.