private bool IsInStockAndHaveTender(string nomNom) { return(Stock.ContainsKey(nomNom) && Stock[nomNom].Count != 0 && tenderAmount >= Stock[nomNom][0].Price); }
private bool IsInStockWithInsufficientTender(string nomNom) { return(Stock.ContainsKey(nomNom) && Stock[nomNom].Count != 0 && Stock[nomNom][0].Price > tenderAmount); }
private bool IsOutOfStockItem(string nomNom) { return(Stock.ContainsKey(nomNom) && Stock[nomNom].Count == 0); }