// public void AddItem(Snack snack, int index)
        // {
        //     Snacks.Insert(index, snack);
        // }

        // public void AddItem(Electronic electronic)
        // {
        //     //add is the new push
        //     Electronics.Add(electronic);
        // }

        // public void AddItem(Electronic electronic, int index)
        // {
        //     Electronics.Insert(index, electronic);
        // }
        #endregion

        public string AddQuarter()
        {
            CurrentTransaction += .25m;
            return(CurrentTransaction.ToString());
        }