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. Required: 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? Note: Round your answer to 2 decimal places. b. This is an example of what type of forecasting? Complete this question by entering your answers in the tabs below. Required A Required B If the income effect is in effect for all taxpayers, what average tax rate will result in a 19 percent increase in tax revenues? Note: Round your answer to 2 decimal places. Average tax rate Required A Required B % This would result in what type of tax rate structure? Tax rate structure