Consumer surplus is represented by the area under the supply curve but above the price

Which of the following statements about economists' assessment of protectionism is true?

A) The costs and benefits of trade barriers are essentially equal. B) The benefits of trade restrictions exceed their cost. C) The costs of trade barriers exceed their benefits and generally result in inefficiency. D) It is not possible to estimate the costs of protection.

What does a budget constraint represent? How do budget constraints explain the trade-offs that consumers face?

What will be an ideal response?