At any time and from time to time, upon the request of Bank, and at the sole expense of Borrower, Borrower shall promptly execute and deliver all such further instruments and documents and take such further action as Bank may deem necessary or desirable to preserve and perfect its security interest in the Collateral and carry out the provisions and purposes of this Agreement, including, without limitation, (a) the preparation (and execution, if necessary) and filing of such financing statements as Bank may require and (b) the deposit of all certificates of title issuable with respect to any of the Collateral and noting thereon the Bank’s security interest hereunder.