unless earlier prepaid or exchanged in accordance with the forward delivery and direct purchase agreement, issuance of the series 2020 bond is estimated to result in an annual average of approximately $ of revenues of the issuer not being available to finance the other services of the issuer during the life of the series 2020 bond. notwithstanding anything herein or in the series 2020 bond to the contrary, by acceptance of the series 2020 bond, the registered owner of the series 2020 bond agrees that any purchase of the future bond in accordance with the terms of the forward delivery and direct purchase agreement shall not constitute a prepayment of the series 2020 bond by the issuer, and the issuer will therefore not owe the registered owner of the series 2020 bond any penalty or premium, as a result thereof.