Marginal analysis primarily focuses on the additional benefits and costs associated with a decision. Therefore, among the options given, it is most aligned with the idea of evaluating changes in decision-making, particularly around costs and benefits.
None of the options directly reflect the essence of marginal analysis, but if we have to choose the closest one, "provides precise information about costs" would be the most suitable answer, as marginal analysis often involves examining how costs change with small variations in output or consumption.
So the answer would be: provides precise information about costs