10% on taxable income from $0 to $18,150, plus
15% on taxable income over $18,150 to $73,800
25% on taxable income over $73,800 to $148,850
28% on taxable income over $148,850 to $226,850
33% on taxable income over $226,850 to $405,100
35% on taxable income over $405,100 to $457,600
39.6% on taxable income over $457,600.
通货膨胀率根据Fred的Consumer Price Index for All Urban Consumers: All Items, Index 1982-84=100, Monthly, Seasonally Adjusted数据,取过去50年(64年到13年),一年12个月月数据平均以后取增长率,Crystal Ball默认batch fitting建议Lognormal Distribution, Location=-0.02,Mean=0.04,Std. Dev.=0.03.