please solve for A

Congress would like to increase tax revenues by 10 percent. Assume that the average taxpayer in the United States earns $65,000 and pays an average tax rate of 15 percent. Required: o. If the income effect is in effect for all taxpayers, what average tax rate will result in a 10 percent increase in tax revenues? Note: Round your answer to 2 decimol places. b. This is an example of what type of forecasting? Complete this question by entering your answers in the tabs below. If the income effect is in effect for all taxpayers, what average tax rate will result in a 10 percent increase in tax revenues? Note: Round your answer to 2 decimal places