3. a. Any goal established pursuant to section 2 of this act may be attained by requiring that a portion of a contract be subcontracted to a qualified small business enterprise, qualified veteran business enterprise, qualified minority business enterprise or qualified women's business enterprise, in addition to designating entire contracts to these enterprises.
b. Each contracting agency shall make a good faith effort to attain any goal established by its governing body. The governing body shall evaluate each contracting agency's efforts by comparing the percentage of the dollar value of a contracting agency's total procurements awarded to qualified small business enterprises, qualified veteran business enterprises, qualified minority business enterprises or qualified women's business enterprises, as appropriate, to the percentage of the dollar value of the county's or municipality's total procurements awarded to qualified small business enterprises, qualified veteran business enterprises, qualified minority business enterprises or qualified women's business enterprises, as appropriate.