the Secretary of Health and Human Services shall determine—
(I)#
the portion of the costs, incurred during such fiscal year, of the administration of subchapter XVIII for which the Secretary is responsible, which should have been borne by the general fund of the Treasury,
(II)#
the portion of such costs which should have been borne by the Federal Hospital Insurance Trust Fund, and
(III)#
the portion of such costs which should have been borne by the Federal Supplementary Medical Insurance Trust Fund (and, of such portion, the portion of such costs which should have been borne by the Medicare Prescription Drug Account in such Trust Fund).