static void Main(string[] args) { Bill myBill = new Bill(15.80, 0.06); Pay(myBill); Bill myBillWithTip = new TippableBill(2.00, 8.50, 0.06); Pay(myBillWithTip); }
static void Main(string[] args) { Bill bill = new Bill() { Subtotal = 15.80, TaxRate = 0.06 }; Pay(bill); TippableBill tippableBill = new TippableBill() { Subtotal = 8.50, TaxRate = 0.06, Tip = 2.00, }; Pay(tippableBill); }