public void CalculateIncomeTaxSuccessfully()
        {
            TaxCalculater calculater = new TaxCalculater();

            var result = calculater.CalculateIncomeTax(60050);

            Assert.IsTrue(result == 11063.25M);

            result = calculater.CalculateIncomeTax(120000);
            Assert.IsTrue(result == 32347M);
        }