ac00 ac20 accounting acz0 advertising advertising/promotion ba17 ba70 bab0 baz0 business businessethics career co12 co14 collegesuccess computerscience csb0 economics english ethics general greenbusiness ifrs intelligence(ai) kt20 la12 law management marketing moralphilosophy philosophy pl20 pl21 principlesofmarketing professional promotion semantics socialsciences specialtopics st50 standards(gaap technicalcommunication trade