private decimal shortTermReloanReleaseAmount()
{
//original formula
//decimal reloanBalance = (originalLoan.MonthlyDue - (shortTermReloanMonthlyInterest() - reloan.ReloanFee)) * monthsUnpaid();
decimal balanceDue = originalLoan.MonthlyDue * monthsUnpaid();
decimal reloanInterest = LoanCalculator.Interest(originalLoan.Principal, originalLoan.InterestRate) * monthsUnpaid();
decimal reloanBalance = balanceDue - (reloanInterest - reloan.ReloanFee);
return(originalLoan.Principal - originalLoan.ProcessingFee - reloanBalance);
//return originalLoan.Principal - originalLoan.ProcessingFee - reloanBalance;
}
public static decimal MonthlyDue(Loan.LoanType type, decimal principal, decimal interest, int term = 0, bool nearestTenth = true)
{
if (type == Loan.LoanType.AmortizedPayment)
{
return(LoanCalculator.Amortization(principal, term, interest, nearestTenth));
}
else if (type == Loan.LoanType.InterestOnlyPayment)
{
return(LoanCalculator.PayableInterest(principal, interest, nearestTenth));
}
throw new ArgumentException("Unsupported loan type");
}
private decimal longTermReloanReleaseAmount()
{
LoanFactory factory = new LoanFactory(DatabaseFactory.Default);
Loan newLoan = factory.Clone(originalLoan);
newLoan.InterestRate = originalLoan.InterestRate + 1;
decimal newInterest = LoanCalculator.InterestPaymentPart(originalLoan.MonthlyDue, originalLoan.Principal, originalLoan.InterestRate + 1, originalLoan.MonthlyDue);
decimal newPrincipal = originalLoan.MonthlyDue - newInterest;
return((newPrincipal * originalLoan.MonthsPaid) - originalLoan.ProcessingFee);
}
private decimal interestAmount()
{
if (IsInterestPayment)
{
return(Amount);
}
if (Loan == null)
{
throw new InvalidOperationException("No loan found.");
}
return(LoanCalculator.InterestPaymentPart(Amount, loan));
}