The term 'DETERMINE THE COSTS OF' can be summarized as assessing the financial implications of a particular action or decision. This involves analyzing the potential costs associated with a given course of action and making an informed decision based on the results. The crossword solution for this term is ASSESS, which means to evaluate or estimate the value, importance, or quality of something. Therefore, assessing the costs of a particular action or decision involves evaluating the financial implications of that action or decision in order to make an informed decision.