private static decimal Fv(LoanExt loan, DateTime currentDay, DateTime nextPaymentDay, out decimal poi)
{
var daysOfInterest = (nextPaymentDay - currentDay).Days;
var fv = Math.Round(Financial.FGivenP(loan.PresentValue, daysOfInterest, loan.DailyInterestRate), 2);
poi = fv - loan.PresentValue;
return(fv);
}
private bool NextPaymentIsFinal(LoanExt loan, DateTime currentDay, out decimal overage)
{
var nextPaymentDay = NextPaymentDay(currentDay);
decimal poi;
var fv = Fv(loan, currentDay, nextPaymentDay, out poi);
if ((fv < loan.TotalPayment))
{
overage = loan.TotalPayment - fv;
return(true);
}
overage = 0;
return(false);
}