Amendment or Waiver Every right and remedy provided herein shall be cumulative with every other right and remedy, whether conferred herein, at law, or in equity, and may be enforced concurrently herewith, and no waiver by any party of the performance of any obligation by the other shall be construed as a waiver of the same or any other default then, theretofore, or thereafter occurring or existing. At any time prior to the Closing Date, this Agreement may be amended by a writing signed by all parties hereto, with respect to any of the terms contained herein, and any term or condition of this Agreement may be waived or the time for performance hereof may be extended by a writing signed by the party or parties for whose benefit the provision is intended.