If a profit-oriented marketing manager doesn't know the exact shape of the firm's demand curve, marginal analysis:
A. is useless.
B. may be useful anyway—because a profitable region usually surrounds the best price.
C. will suggest the same price as break-even analysis.
D. suggests that the only sensible approach is to follow the price leader.
E. None of the above is true.
Answer: B. may be useful anyway—because a profitable region usually surrounds the best price.