   end
 
   ### Private Functions ###
-  defp parse_payroll_record(list, employees) do
+  defp parse_payroll_record(list, employees, tax_year) do
     [
       month,
       id,

    end
  end

  defp gra_income_tax(i, "2019") do
    decimal_1 = Decimal.new("1")

    cond do


    taxable_income = Decimal.sub(total_cash, total_relief)

    tax_ded = gra_income_tax(taxable_income, tax_year)

    overtime_tax = gra_overtime_tax(emp.overtime_earned, earned_salary)

