private void CreateCreditButtonDictionary()
 {
     // Add the buttons to a dictionary
     creditButtons.Add(buttonDollar, CurrencyHelper.GetUSDCommonBills().Where(x => x.Name == "one dollar bill").First());
     creditButtons.Add(buttonQuarter, coins.Where(x => x.Name == "quarter").First());
     creditButtons.Add(buttonDime, coins.Where(x => x.Name == "dime").First());
     creditButtons.Add(buttonNickel, coins.Where(x => x.Name == "nickel").First());
     creditButtons.Add(buttonPenny, coins.Where(x => x.Name == "penny").First());
 }
        private void GiveChange(decimal unusedCredit)
        {
            var change = CurrencyHelper.CalculateChange(unusedCredit, coins);

            int quarters = change.Where(x => x.Name == "quarter").First().Quantity;
            int dimes    = change.Where(x => x.Name == "dime").First().Quantity;
            int nickels  = change.Where(x => x.Name == "nickel").First().Quantity;
            int pennies  = change.Where(x => x.Name == "penny").First().Quantity;

            credit = 0;
            UpdateCredit();

            ToggleChangeVisible(true);

            lblChange.Text  = "Total Change: " + unusedCredit;
            lblQuaters.Text = "Quaters: " + quarters;
            lblDimes.Text   = "Dimes: " + dimes;
            lblNickels.Text = "Nickels: " + nickels;
            lblPennies.Text = "Pennies: " + pennies;
        }