public void ShouldReturnZeroDeductionIfInvestmentIsNotAvailableAndEpfIsZero()
{
var salary = new AnnualSalary {Epf = 0.0};
TaxStatement ts = new TaxStatement(salary, null);
Assert.AreEqual(0.0, ts.GetChapter6Deductions(), 0.01);
salary = new AnnualSalary();
ts = new TaxStatement(salary, null) { Chapter6Investments = new Chapter6Investments() };
Assert.AreEqual(0.0, ts.GetChapter6Deductions(), 0.01);
}