triangle $1c$9 represents producer surplus after the government imposes the excise tax on the market
A excise tax on particular commodities or services, including alcohol, cigarettes, and gasoline, is known as an excise tax. Instead of being levied internationally across national borders, excise taxes are national taxes imposed within a government infrastructure. Sales of motor gasoline, airline tickets, tobacco, and other goods and services are typically subject to a federal excise tax. Excise tax are mostly paid by corporations. Many of them are paid for by businesses, who subsequently charge customers more as a result. Wholesalers get excise taxes from merchants, who then factor them into product pricing and raise overall retail prices as a result.
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