Paying an orderShop to Bank: Charge 42.00; Alt: Enough funds; Bank to Shop: Approved; Else: Declined; Bank to Shop: Refused; Note: The card number never reaches the shopShopShopBankBankalt[Enough funds][Declined]Shop → Bank: Charge 42.001. Charge 42.00Bank → Shop: Approved2. ApprovedBank → Shop: Refused3. RefusedNote: The card number never reaches the shopThe card number never reaches theshop