Could I please get step by step help with a few of these problems on my practice quiz

3. Congress would like to increase tax revenues by 19 percent. Assume that the average taxpayer in the United States earns $54,000 and pays an average tax rate of 15 percent. a. If the income effect is in effect for all taxpayers, what average tax rate will result in a 19 percent increase in tax revenues What is the Average tax Rate? 6. Curtis invests $600,000 in a city of Athens bond that pays 8.25% interest. Alternatively, Curtis could have invested the $600,000 in a bond recently issued by Initech, Inc. that pays 11% interest with similar risk as the city of Athens bond. Assume that Curtis's marginal tax rate is 28%. How much explicit tax would Curtis incur on interest earned on the Initech, Inc. bond? 7. Hugh has the choice between investing in a City of Heflin bond at 6.45 percent or a Surething bond at 10.40 percent. Assume that both bonds have the same nontax characteristics and that Hugh has a 40 percent marginal tax rate. What interest rate does Surething Inc., need to offer to make Hugh indifferent between investing in the two bonds? What is the interest rate? 8. Song earns $117,500 taxable income as an interior designer and is taxed at an average rate of 15 percent (i.e., $17,625 of tax). a. If Congress increases the income tax rate such that Song's average tax rate increases from 15 percent to 20 percent, how much more income tax will she pay assuming that the income effect is descriptive what is the additional income tax owed? 9. Manny, a single taxpayer, earns $30,000 per year in taxable income and an additional $5,000 per year in city of Boston bonds. What is Manny's current marginal tax rate for year 2016? 10. If Susie earns $675,000 in taxable income, how much tax will she pay as a single taxpayer for year 2016