The correct answer is: B. Different
In monopoly, the firm is the only seller of a good or service in the market. This means that the firm has a great deal of market power and can set its own prices. The firm’s cost curves will be different from those of a firm in perfect competition because the firm in monopoly does not face the same competitive pressures.
In perfect competition, there are many firms selling identical goods or services in the market. This means that each firm has a very small share of the market and has no market power. The firm’s cost curves will be different from those of a firm in monopoly because the firm in perfect competition faces a great deal of competitive pressure.
Here is a more detailed explanation of each option:
- Option A: Same. This is incorrect because the cost curves of a firm in monopoly will be different from those of a firm in perfect competition.
- Option B: Different. This is the correct answer because the cost curves of a firm in monopoly will be different from those of a firm in perfect competition.
- Option C: Opposite. This is incorrect because the cost curves of a firm in monopoly will not be opposite to those of a firm in perfect competition.
- Option D: None of the above. This is incorrect because option B is the correct answer.