all expenses, to the extent consistent with the limitation on the use of fees set forth in
section 42(c) of title 35, United States Code, including all administrative and operating expenses, determined in the discretion of the Director to be ordinary and reasonable, incurred by the Director for the continued operation of all services, programs, activities, and duties of the Office relating to patents and trademarks, as such services, programs, activities, and duties are described
under—