Wisconsin Schedule RT Instructions
Page 11
Worksheet A: Computation of Aggregate Effective Tax Rates
Taxpayer’s Aggregate Effective Tax Rate
(a)
(b)
(c)
(d)
1
State
Tax Rate in State
Apportionment
Percent-
Effective Tax Rate
age in State
(b) x (c)
Taxpayer’s Aggregate Effective Tax Rate (Sum of amounts in column d)
Related Entity’s Aggregate Effective Tax Rate
(a)
(b)
(c)
(d)
1
State
Tax Rate in State
Apportionment
Effective Tax Rate
Percentage in State
(b) x (c)
Related Entity’s Aggregate Effective Tax Rate (Sum of amounts in column d)
1
If the interest income or rental income is nonapportionable income, use 100% or 0%. If a portion of the income is
nonapportionable, you will need to prorate the apportionment percentage based on the ratio of apportionable in-
come to nonapportionable income.