public void CalculateInterestFor(DateTime forDate, IYieldAccount account, double interestRate, uint days = 1)
{
if (HasPositiveBalance(account) &&
ItHasAlreadyBeenCalculated(forDate, account.LastYieldedDate.GetValueOrDefault(), days))
{
decimal calc = Convert.ToDecimal(Math.Pow(1 + interestRate / 100d, days / 252d) - 1);
var balance = Math.Round(calc * account.Balance, 2);
account.SetYield(balance, forDate);
}
}
public CalculatedIncomeEvent(IYieldAccount account, decimal amount)
: base(account, EventType.Income, amount)
{
}
private static bool HasPositiveBalance(IYieldAccount account) => account.Balance > 0;
