public LoanAccount(double balance) : base()
{
if (balance >= 0)
{
throw new InvalidOperationException("Balance should be negative when creating loan account");
}
NextPaymentDate = CreatedDateTime.AddMonths(1);
Balance = balance;
}
public SavingsAccount(double interestInPercents, DateTime nextInterestUpdate) : base()
{
if (interestInPercents < 0 || interestInPercents > 100)
{
throw new InvalidOperationException("Interest should be number between 0 and 100");
}
InterestInPercents = interestInPercents;
NextInterestUpdate = CreatedDateTime.AddMonths(1);
}