Government is known to utilize a product's elasticity measures to set taxes

Government is known to utilize a product's elasticity measures to set taxes and subsidies. Use this information to set policy on one of the following products: tobacco products, petroleum products, agriculture products, or medical products according to your goal. Research the government's tax/subsidy policy in these areas and any objectives of the tax policy. State your goal, your prescribed action, and why you believe it will work using the information you found.