public Tax(int year, TaxRule tRule, PaymentRule pRule)
{
Year = year > 2000 ? year : throw new ArgumentOutOfRangeException(nameof(year));
tRule = tRule != null ? tRule : throw new ArgumentOutOfRangeException(nameof(tRule));
Year = year;
TRule = tRule;
PRule = pRule;
}
//DDD-styled entity class you can only create/change data via specific constructors/methods
public PaymentData(string employeeName, int anualSalary, double superRate, string payPeriod, TaxRule taxRule)
{
_anualSalary = anualSalary;
_taxRule = taxRule;
PayPeriod = payPeriod;
EmployeeName = employeeName;
//set up Tier
SetUpTier();
//gross income
var Val = (double)anualSalary / 12;
GrossIncome = RoundUpAmount(Val);
//income tax
TaxAmount = RoundUpAmount((double)(_TaxFixedAmount + (double)((anualSalary - _TierAmount) * (_Rate / 100))) / 12);
//NetIncome
NetIncome = GrossIncome - TaxAmount;
//Super
SuperAmount = RoundUpAmount((double)(GrossIncome * superRate) / 100);
}
