public void GetTaxResultTest_Income_2500000_Tax_373400()
        {
            decimal income   = 2500000;
            decimal actual   = TaxHelper.GetTaxResult(income);
            decimal expected = 373400;

            Assert.AreEqual(expected, actual);
        }
        public void GetTaxResultTest_Income_5530000_Tax_1382400()
        {
            decimal income   = 5530000;
            decimal actual   = TaxHelper.GetTaxResult(income);
            decimal expected = 1382400;

            Assert.AreEqual(expected, actual);
        }
        public void GetTaxResultTest_Income_540001_Tax_27000p12()
        {
            decimal income   = 540001;
            decimal actual   = TaxHelper.GetTaxResult(income);
            decimal expected = 27000.12m;

            Assert.AreEqual(expected, actual);
        }