a person to whom Article 11-2, paragraph (2) of the former Act was applied: the total of the amounts calculated by multiplying the per-person deduction amount set forth in column C of Appended Table 1 of the Supplementary Provisions, according to the taxable aggregate income and similar amount for that person's income tax for 1964 and to the age as of December 31, 1964 of each person who was a relative employed only by a blue-return filer as prescribed in that paragraph for that person's income tax for that year, by the number of relatives employed only by a blue-return filer falling under each such category;