Bookkeeping and Administrative Expenses If so provided in the Prospectus, as compensation for providing bookkeeping and other administrative services of a character described in Section 26(a)(2)(C) of the Investment Company Act of 1940 to the extent such services are in addition to, and do not duplicate, the services to be provided hereunder by the Trustee or the Depositor for providing supervisory services, the Depositor shall receive at the times specified in Section 3.05, against a statement or statements therefor submitted to the Trustee an aggregate annual fee in an amount which shall not exceed that amount set forth in the Prospectus, calculated as specified in Section 3.05. Such compensation may, from time to time, be adjusted provided that the total adjustment upward does not, at the time of such adjustment, exceed the percentage of the total increase, during the period from the Trust Agreement to the date of any such increase, in consumer prices for services as measured by the United States Department of Labor Consumer Price Index entitled "All Services Less Rent of Shelter" or similar index as described under Section 3.18. The consent or concurrence of any Unitholder hereunder shall not be required for any such adjustment or increase. Such compensations shall be paid by the Trustee, upon receipt of invoice therefor from the Depositor, upon which, as to the cost incurred by the Depositor of providing services hereunder the Trustee may rely, and shall be charged against the Income and Capital Accounts as specified in Section 3.