This Agreement, together with the other Financing Documents, constitutes the final and entire agreement and understanding of the parties and any term, condition, covenant or agreement not contained herein or therein is not a part of the agreement and understanding of the parties.  Neither this Agreement, nor any term, condition, covenant or agreement hereof may be changed, waived, discharged or terminated except by an instrument in writing signed by the party against whom enforcement of the change, waiver, discharge or termination is sought.