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Choose the correct option.
Which condition is true if Average Cost (AC) is constant at all levels of output? (Recall)
- (a)$MC > AC$
- (b)$MC = AC$
- (c)$MC < AC$
- (d)$MC = \frac{1}{2} AC$
Answer
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From ISC 2026 Specimen Mathematics Paper 1, question 19(i).