The amounts referred to in points (b), (c) and (d) of the first subparagraph of paragraph 1 shall be established in one of the following ways:
Bunófar na méideanna dá dtagraítear i bpointí (b), (c) agus (d) den chéad fhomhír de mhír 1 ar cheann de na bealaí seo a leanas: