public SimpleMortgageCalculator(IMortgagePrepayment prepaymentmodel,
IMortgageDefault defaultModel)
: base(prepaymentmodel, defaultModel)
{
}
protected BaseMortgageCalculator(IMortgagePrepayment prepaymentmodel,
IMortgageDefault defaultModel)
{
PrepaymentModel = prepaymentmodel;
DefaultModel = defaultModel;
}