 鲜花( 1181)  鸡蛋( 48)
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本帖最后由 小黄 于 2011-3-16 11:23 编辑
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9 N C4 F" X& k# |, h3 s! c10% is the marginal rate, not the actual rate you pay.
6 X. k8 u8 ^ ?1 Q" g5 FAssuming an exempt amount of 20k, then:
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7 M3 Y9 e+ b. g' P8 NYou pay 0% if you make 20k.
7 G0 N8 _0 w* c5 {You pay 5% if you make 40k.% Y8 e, L6 p: X* r9 ?" Y1 w/ F
You pay 6.67% if you make 60k.
- c% X. X; y2 p5 \+ lYou pay 7.5% if you make 80k.
- q" T# b, P" U6 R) fYou pay 8% if you make 100k.2 H' u7 o+ d/ T: J( A. T
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It's a flat "marginal" rate, and a smooth function. But higher income people still pay a higher rate. IMO, this is a fair and simple modeling. |
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