1. The superintendent of public instruction shall determine the educational cost per student. 2. In determining the educational cost per student, the superintendent may not use: a. Capital outlay for buildings; b. Capital outlay for sites; c. Capital outlay for debt service; d. Expenditures for school activities; e. Expenditures for school lunch programs; f. Expenditures for transportation costs, including schoolbuses; or g. Expenditures for early childhood education.