public TaxSlabs()
{
maleTaxSlabs.Add(new TaxSlab(0, 150000, 0));
maleTaxSlabs.Add(new TaxSlab(150000, 250000, 10.0));
maleTaxSlabs.Add(new TaxSlab(250000, 500000, 20.0));
maleTaxSlabs.Add(new TaxSlab(500000, Double.MaxValue, 30.0));
femaleTaxSlabs.Add(new TaxSlab(0, 180000, 0));
femaleTaxSlabs.Add(new TaxSlab(180000, 250000, 10));
femaleTaxSlabs.Add(new TaxSlab(250000, 500000, 20.0));
femaleTaxSlabs.Add(new TaxSlab(500000, Double.MaxValue, 30.0));
}