 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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10% is the marginal rate, not the actual rate you pay. ^. V- l: \" w, @
Assuming an exempt amount of 20k, then:
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: @, f1 ?% V8 OYou pay 0% if you make 20k.5 y& x' `! `& m9 G
You pay 5% if you make 40k.
) i1 A- F" y6 e. S; o0 LYou pay 6.67% if you make 60k.6 a- K, z. K9 v* K* S
You pay 7.5% if you make 80k., @& r8 D% T6 F W, w; x
You pay 8% if you make 100k.8 a! r8 r% f- d6 {
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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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