When both the self-employed health insurance deduction and the Premium Tax Credit are on a return, a circular calculation is generated. Why does this occur? A. This would not occur a taxpayer is not allowed to claim both the self employed health insurance deduction and the Premium Tax Credit. B. Because of the adjustment to income for the self-employed health insurance, modified AGI is affected. The Premium Tax Credit calculation is not affected by changes to modified AGI, so the PTC will remain the same. D. because of the adjustment to income for self-employed Health insurance, AGI is affected. The Premium tax Credit calculation is not allowed.