【单选题】The price elasticity of demand for cigarettes is 0.4. If government wants to reduce smoking by 10 percent, by how much should it raise the price of cigarettes by imposing a tax? (香烟需求价格弹性为0.4。如果政府想把吸...
【简答题】(This problem is challenging.) Suppose that an individual owed no taxes on the first $10,000 she earned and 15 percent of any income she earned over $10,000. (This is a simplified version of the actua...
【单选题】An individual in the 36 percent tax bracket invests $5,000 in a tax-exempt IRA. If the investment earns 10% annually, what will be the value of the IRA after five years?
【单选题】As of July 7, basic monthly telephone service will increase by $1.50 due to the new federal telecommunication tax, state-to-state long-distance rates will decrease an average of 10 percent.