# § 1441a. Cost of production study and establishment of current national weighted average cost of production
The Secretary of Agriculture, in cooperation with the land grant colleges, commodity organizations, general farm organizations, and individual farmers, shall conduct a cost of production study of the wheat, feed grain, cotton, and dairy commodities under the various production practices and establish a current national weighted average cost of production. This study shall be updated annually and shall include all typical variable costs, including interest costs, a return on fixed costs, and a return for management.
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**Source Credit**: (Pub. L. 91–524, title VIII, § 808, as added Pub. L. 93–86, § 1(27)(B), Aug. 10, 1973, 87 Stat. 237; amended Pub. L. 97–98, title XI, § 1117, Dec. 22, 1981, 95 Stat. 1271.)
## Editorial Notes
### Codification
Section was enacted as part of the Agricultural Act of 1970 as added by the Agriculture and Consumer Protection Act of 1973, and not as part of the Agricultural Act of 1949 which is classified principally to this chapter. For complete classification of the 1949 Act to the Code, see Short Title note set out under and Tables.
### Amendments
1981— inserted “including interest costs,” after “variable costs,”, substituted “, and a return for management” for “equal to the existing interest rates charged by the Federal Land Bank, and return for management comparable to the normal management fees charged by other comparable industries”, and struck out provision that these studies be based upon the size unit that requires one man to farm on a full-time basis.
## Statutory Notes and Related Subsidiaries
### Effective Date of 1981 Amendment
Amendment by effective , see , set out as an Effective Date note under .