The Secretary may allocate the rate of price support between the purchase prices for nonfat dry milk and butter in a manner that will result in the lowest level of expenditures by the Commodity Credit Corporation or achieve such other objectives as the Secretary considers appropriate. Not later than 10 days after making or changing an allocation, the Secretary shall notify the Committee on Agriculture of the House of Representatives and the Committee on Agriculture, Nutrition, and Forestry of the Senate of the allocation. Section
553 of title
5 shall not apply with respect to the implementation of this section.