In December of 2017, the U.S. Congress passed the Tax Cuts and Jobs Act of 2017 (TCJA), which reduced the personal income tax rates for most earners. The old tax rates and the new tax rates are reported in the tables below. Old Tax Rates 10.00% Income Bracket New Tax Rates Income Bracket $0-$9,525 10.0% $0-$9,525 15.00% $9,526-$38,700 12.0% $9,526-$38,700 25.00% 28.00% 33.00% 35.00% $38,701-$93,700 $93,701-$195,450 22.0% 24.0% $38.701-$82,500 $82,501-$157,500 $195,451-$424,950 $424,951-$426,700 32.0% $157.501-$200,000 35.0% $200,001-$500,000 39.60% $426,701 and up 37.0% $500,001 and up Critics of the bill argued that it disproportionately benefited high-income people. Let's see if that is true. Suppose Amar's taxable income is $50,000 (round your answers to two decimal places). (a) Amar's average tax rate before TCJA: % (b) Amar's average tax rate after TCJA: % +