Congress would like to increase tax revenues by 10.5 percent. Assume that the average taxpayer in the United States earns $61,000 and pays an average tax rate of 20 percent. Required: a. If the income effect is in effect for all taxpayers, what average tax rate will result in a 10.5 percent increase in tax revenues? Note: Round your answer to 2 decimal places. b. This is an example of what type of forecasting? If the income effect is in effect for all taxpayers, what average tax rate will result in a 10.5 percent increase in tax revi Note: Round your answer to 2 decimal places. Complete this question by entering your answers in the tabs below. This is an example of what type of forecasting