2. Which of the following is false?
Oa. If the marginal cost curve is rising, then the average
total cost curve must be rising.
Ob. If the average total cost curve is rising, then the
marginal cost curve must be above it.
Oc. The marginal cost curve will cut the average total cost
curve at its lowest point.
Od. If marginal cost is below average total cost, then the
average total cost curve must be declining.