If the average cost is falling,
A. marginal cost is rising
B. marginal cost is falling
C. marginal cost is equal to average cost
D. it is impossible to tell if marginal cost is rising or falling
Answer:D
If the average cost is falling,
A. marginal cost is rising B. marginal cost is falling C. marginal cost is equal to average cost D. it is impossible to tell if marginal cost is rising or falling