Interest at the rate of XX% shall be calculated on the outstanding unpaid balance. The Corporation reserves the right to prepay the whole or any part of the amount owed without the imposition of a premium or penalty therefore.

• ××%25的利息应当计入未付款的支付义务之内。"公司"保留在没有强加利息或罚金的情况下，预先支付全部或部分所欠款项的权力。