What happens to consumer surplus, producer surplus, and government revenue when a tariff is imposed?

• A. Consumer surplus increases, producer surplus decreases, and government revenue remains unchanged.
• B. Consumer surplus remains unchanged, producer surplus increases, and government revenue decreases.
• C. Consumer surplus decreases, producer surplus decreases, and government revenue increases.
• D. Consumer surplus decreases, producer surplus increases, and government revenue increases.

Answer: (D)