At any time and from time to time, upon the written request of Lender and at the sole expense of Borrower, Borrower shall promptly and duly execute and deliver any and all such further instruments and documents and take such further action as Lender may reasonably deem desirable (a) to obtain the full benefits of this Agreement and the other Loan Documents, (b) to protect, preserve and maintain Lender’s rights in any Collateral, or (c) to enable Lender to exercise all or any of the rights and powers herein granted.