71.05(22)(dm) (dm) Deduction limits; 1994 to 1999. Except as provided in par. (f) , for taxable years beginning after December 31, 1993, and before January 1, 2000, the Wisconsin standard deduction is whichever of the following amounts is appropriate. For a single individual who has a Wisconsin adjusted gross income of less than $7,500, the standard deduction is $5,200. For a single individual who has a Wisconsin adjusted gross income of at least $7,500, the standard deduction is the amount obtained by subtracting from $5,200 12 percent of Wisconsin adjusted gross income in excess of $7,500 but not less than $0. For a head of household who has a Wisconsin adjusted gross income of less than $7,500, the standard deduction is $7,040. For a head of household who has a Wisconsin adjusted gross income of at least $7,500, the standard deduction is the amount obtained by subtracting from $7,040 22.515 percent of Wisconsin adjusted gross income in excess of $7,500 but not less than $0, until the adjusted gross income amount at which the standard deduction is equal to the standard deduction for a single individual at the same adjusted gross income amount. For a head of household who has a Wisconsin adjusted gross income of more than this amount, the standard deduction shall be calculated as if the head of household were a single individual. For a married couple filing jointly that has an aggregate Wisconsin adjusted gross income of less than $10,000, the standard deduction is $8,900. For a married couple filing jointly that has an aggregate Wisconsin adjusted gross income of at least $10,000, the standard deduction is the amount obtained by subtracting from $8,900 19.778 percent of aggregate Wisconsin adjusted gross income in excess of $10,000 but not less than $0. For a married individual filing separately who has a Wisconsin adjusted gross income of less than $4,750, the standard deduction is $4,230. For a married individual filing separately who has a Wisconsin adjusted gross income of at least $4,750, the standard deduction is the amount obtained by subtracting from $4,230 19.778 percent of Wisconsin adjusted gross income in excess of $4,750 but not less than $0. The secretary of revenue shall prepare a table under which deductions under this paragraph shall be determined. That table shall be published in the department’s instructional booklets.