Marginal cost represents how much the total cost changes when one additional unit is produced. It is found using the derivative of the cost function with respect to quantity, showing the instantaneous rate of change in cost.
The rate of change of cost is called _____ cost.
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This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.