In order to encourage industry and thereby increase productiveness in the institutions, the Department of Corrections and the Oregon Health Authority shall prescribe rules and regulations for the sale and exchange of surplus products of each.
(2)
The funds derived from the sale of the surplus products shall be paid into the State Treasury and become a part of a fund to be known as the State Institutional Betterment Fund, which fund shall be expended by the agencies, respectively, for the benefit of the institutions in proportion to the amount earned by each.