http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=11179cost http://general-terms.thesaurus.ekt.gr/vocab?tema=11179 cost accounting RT http://general-terms.thesaurus.ekt.gr/vocab?tema=11179 direct cost NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11179 indirect cost NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11179 capital cost NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11179 opportunity cost NT