The corporation shall have the power to issue from time to time bonds to pay bonds, including the interest thereon and, whenever it deems refunding expedient, to refund any bonds by the issuance of new bonds used partly to refund outstanding bonds and partly for any other of its corporate purposes. The refunding bonds may be sold and the proceeds applied to the purchase, redemption, or payment of the bonds to be refunded, or exchanged for the bonds to be refunded. The proceeds from the bonds may also be used for capitalized interest, legal and consulting fees, and issuance expenses.