Brir

Brir is a interface to calculate the Brazilian Income Tax (Imposto de Renda Brasileiro - IRPF & IRPJ). This gem was created to solve a unique issue that is calculate how many money the brazilians will pay to your country over your anual income.

Add this line to your application's Gemfile:

gem 'brir'

And then execute:

$ bundle

Or install it yourself as:

$ gem install brir

require 'brir'

# chose  the exercise year or leave blank to use actual year
brir = Brir.new 2012

# call tax method passing your taxable income
income_tax_value = brir.tax 42000

puts income_tax_value
#=> 3109.53

This gem already have a progressive table with the following exercise years (Financial Year):

• 2012
• 2013
• 2014
• 2015

If you want to use your own Progressive Table, you must to create a YAML file into your config path. (Only for Rails Applications). The file must be like these:

2012:
  ranges:
    first:
      from: 0
      to: 18799.32
      aliquot:
      portion: 0
    second:
      from: 18799.33
      to: 28174.20
      aliquot: 7.5
      portion: 1409.95
    third:
      from: 28174.21
      to: 37566.12
      aliquot: 15
      portion: 3523.01
    fourth:
      from: 37566.13
      to: 46939.56
      aliquot: 22.5
      portion: 6340.47
    fifth:
      from: 46939.57
      to:
      aliquot: 27.5
      portion: 8687.45

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request