Which cost behavior classification remains constant per unit regardless of changes in the activity level within the relevant range?

Explanation

Core Concept: Variable cost per unit remains constant across activity levels within the relevant range, while total variable cost varies directly with production volume. Context/Distractors: Fixed cost per unit decreases as output increases. Total variable cost increases with output. Exam Tip/Key Fact: Understanding cost behavior in the relevant range is vital for accurate budgeting and forecasting.