(3) Phaseout (A) In general In the case of any taxpayer whose adjusted gross income for the taxable year exceeds the applicable amount in effect under section 68(b), the exemption amount shall be reduced by the applicable percentage. (B) Applicable percentage For purposes of subparagraph (A), the term “applicable percentage” means 2 percentage points for each $2,500 (or fraction thereof) by which the taxpayer’s adjusted gross income for the taxable year exceeds the applicable amount in effect under section 68(b). In the case of a married individual filing a separate return, the preceding sentence shall be applied by substituting “$1,250” for “$2,500”. In no event shall the applicable percentage exceed 100 percent. (C) Coordination with other provisions The provisions of this paragraph shall not apply for purposes of determining whether a deduction under this section with respect to any individual is allowable to another taxpayer for any taxable year.