X-{74450-(X-150000)*25%}=175000
X = 229,560
Line 28:
0 - 150,000 26%
150001, - 229,560 32.5%
229,561 - 447,800 35%
447,801 and over 28%
从0到50万这个范围,35%跨度最大,占几乎一半。
关心marginal rate还是average rate?