No failure on the part of Purchasers’ Agent or any Purchaser to exercise and no delay in exercising, and no course of dealing with respect to, any right, remedy, power or privilege under this Agreement shall operate as a waiver of such right, remedy, power or privilege, nor shall any single or partial exercise of any right, power or privilege under this Agreement preclude any other or further exercise of any such right, remedy, power or privilege or the exercise of any other right, remedy, power or privilege.  The rights, remedies, powers and privileges provided in this Agreement are cumulative and not exclusive of any rights, remedies, powers and privileges provided by law.