public virtual double Capital(Loan loan)
{
return(RiskAmount(loan) * Duration(loan) * RiskFactorFor(loan));
}
public virtual double Duration(Loan loan)
{
return(YearsTo(loan.Expiry, loan));
}
protected double RiskFactorFor(Loan loan)
{
return(RiskFactor.GetFactors().ForRating(loan.RiskRating));
}
protected double YearsTo(DateTime endDate, Loan loan)
{
return(endDate.Subtract(loan.Start).Days / DAYS_PER_YEAR);
}
protected abstract double RiskAmount(Loan loan);