For section 86 (4) (c) of the Act , the total amount of work performed by an individual at 1 or more publicly owned coal-fired power stations prescribed is the amount equivalent to—
(a) 80% of the total work performed by the individual during a continuous 36 month period ending on the application day for the individual; or
(b) 100% of the total work performed by the individual during a continuous 24 month period ending on the application day for the individual.