public void ModifyNextIteration(ICard card, int answerQuality)
{
Iterator = new Iterator();
EasinessFactorMaintainer = new EasinessFactorMaintainer(answerQuality, card.EasinessFactor);
useMinimumEasinessFactor = Convert.ToBoolean(AppSettingsWrapper.GetSetting(AppSettingsKeyNames.UseMinimumEasinessFactor));
DateTime newShowDate = Iterator.NextIteration(card.EasinessFactor, card.ShowDate, card.NumberOfIterations);
card.ShowDate = newShowDate;
card.EasinessFactor = new EasinessFactorMaintainer(answerQuality, card.EasinessFactor).CalculateNewEF(useMinimumEasinessFactor);
card.NumberOfIterations++;
}