Method to *evenly* split a bill among people.

bill_splitter.rb

## 
# Module to split bills evenly for a group of people (i.e. splitting cost for a pizza lunch).
#
# Basic use:
# `BillSplitter.split_bill(total: 82.42, people: 11)` => "Each person should fork over 7.49!"
module BillSplitter
  require 'bigdecimal'

  def self.split_bill(total: 0.00, people: 1)
    bd_total = BigDecimal.new(total.to_s)
    bd_people = BigDecimal.new(people.to_s)
    cost = bd_total / bd_people
    "Each person should fork over #{cost.truncate(2).to_s('F')}!"
  end
end